★ SOSA for Photography and Creative Studios
Do the sum in cubic metres once and most sizing arguments end - a 2,000 sq ft studio is 557m³ at three metres and 929m³ at five
★ ★ ★ ★ ★
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★ Sized to the client-facing zone, in the register the studio runs
SOSA VaayuA connected reception, consultation and lounge floorView ₹11,999
Mountain BreezeDry cedar for wood, brick and steelView ₹849
Garden BloomElegant rose and jasmine for bridal workView ₹799
✓ One register across the client-facing zone - reception, consultation and the album lounge - set from the furthest chair at the end of the longest session and then key-locked ✓ Changing rooms are never scented, maternity and family sessions run with it switched off unless the client asks, a named seating area stays genuinely fragrance-free, and any machine is kept well away from open gear cases and cleaning benches ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Photography Studios
How do I convert square feet to cubic metres? Divide the square footage by 10.76 to get square metres, then multiply by the ceiling height in metres. A 2,000 sq ft studio is about 186 square metres; at three metres that is 557 cubic metres and at five metres it is 929.
Which of the three matters most? Height, because it is the one people ignore entirely - they buy on floor area and the machine is rated in cubic metres. AC mode matters second and is free to check. Open layout matters third and is usually already known.
See the SOSA Vaayu Book a scenting plan
Facts verified 11 September 2026 against the live SOSA product pages: the SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting roughly 75-90 days depending on intensity and run hours, Bluetooth app and onboard button control, 1h/4h/8h/24h timers, adjustable intensity, operation under 38dB, DC 12V/1A at 5W, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification - electrical and compliance marks only. Being waterless it adds no moisture and leaves no residue on surfaces. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir, metal body, programmable schedules and operation under 42dB. The SOSA Sukoon (₹1,899) is a 500ml water-based ultrasonic diffuser for a single room of roughly 270-320 sq ft, and the SOSA Boond (₹899) is its compact equivalent; both use the water-based Hotel Collection fragrance (15ml from ₹299, 100ml ₹999, 300ml ₹1,799), made for ultrasonic diffusers and not reed diffuser oil. SOSA reed diffusers are alcohol-free and phthalate-free, with a 50ml bottle lasting 6-8 weeks and a 130ml bottle 14-18 weeks, and 300ml and 500ml refills at ₹2,399 and ₹3,499: Morning Freshness (₹749 / ₹1,249), Garden Bloom (₹799 / ₹1,299), Evening Calm (₹799 / ₹1,299), Mountain Breeze (₹849 / ₹1,349) and Fresh Brew (₹849 / ₹1,349), with the Fresh & Grounded duo (₹1,548 / ₹2,548) and the Warmth & Bloom duo (₹1,598 / ₹2,598). Ambient fragrance is an interior and hospitality decision only. It does not remove, neutralise or reduce anything in the air and does not purify air, and SOSA makes no claim that it affects bookings, enquiries, conversion, package value, upsell, retention or spend, or that it influences any client decision. It is never a substitute for ventilation, cleaning, fabric and upholstery care or humidity control - a studio with a persistent stale or musty smell has a source to find and fix first. Changing rooms are left unscented, and on maternity and family sessions the scent is switched off by default and offered rather than assumed, because heightened smell sensitivity and nausea are common in pregnancy. A named seating area is kept genuinely fragrance-free and offered at booking. As a placement precaution rather than a claim about equipment damage, keep any diffuser well away from open gear cases, a lens or cleaning bench and anywhere sensors are handled, and do not mount one above a workstation. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.
Three variables decide distribution, and one of them is arithmetic you can do in thirty seconds. A 2,000 sq ft studio with a three-metre ceiling is roughly 557 cubic metres. The same floor area at five metres is roughly 929. One of those sits comfortably inside a Vaayu's rating; the other is at its limit.
Quick answers — read this first
How do high ceilings, AC and open layouts affect fragrance distribution? Height turns floor area into volume: 2,000 sq ft at three metres is about 557m³, the same floor at five metres about 929m³. AC decides how much dilution you work against - fresh air dilutes continuously, recirculate accumulates. Open layout removes the boundaries that let a level settle. A SOSA Vaayu (₹11,999) is rated to 1000m³.How do I convert square feet to cubic metres? Divide the square footage by 10.76 to get square metres, then multiply by the ceiling height in metres. A 2,000 sq ft studio is about 186 square metres; at three metres that is 557 cubic metres and at five metres it is 929.
Which of the three matters most? Height, because it is the one people ignore entirely - they buy on floor area and the machine is rated in cubic metres. AC mode matters second and is free to check. Open layout matters third and is usually already known.
The short answer
Short answer: height turns floor area into volume - 2,000 sq ft is about 557 cubic metres at three metres and 929 at five; AC mode decides how much dilution you work against; and an open layout removes the boundaries that let a level settle.
The pick: size in cubic metres: one SOSA Vaayu (₹11,999) to 1000m³, one SOSA Angaan (₹25,999) to 3000m³ - never two units in one volume.
Next step: measure your ceiling and do the sum. Thirty seconds ends most sizing arguments. Or ask for a studio scenting plan.
In this guide
Two studios with identical floor plans and different ceilings need different machines. The sum takes thirty seconds.
Sized to the studio - tap to see each
One machine, the client floor
SOSA Vaayu · ₹11,999
Match it to your work
Matching the fragrance to your style
Send the floor plan
Free studio scenting plan
Straight answer
How do high ceilings, AC and open studio layouts affect fragrance distribution?
Three variables, and the first is arithmetic most studios never do. One: height turns floor area into volume, and machines are rated in volume. The sum is simple - divide the square footage by 10.76 to get square metres, then multiply by the ceiling height in metres. A 2,000 sq ft studio is about 186 square metres. At a three-metre ceiling that is roughly 557 cubic metres. At five metres, the same floor plan is roughly 929 cubic metres. A SOSA Vaayu at ₹11,999 is rated to 1000m³. So the three-metre version of that studio sits comfortably inside its range with room to spare, while the five-metre version is essentially at its limit - identical floor plans, different machines. Above 1000m³ of one connected volume it is SOSA Angaan at ₹25,999, rated to 3000m³, on the supply side. Do the sum before you shop; thirty seconds ends most sizing arguments, and it is why a studio that bought on square footage can end up with a unit that never quite reaches. There is a second height effect on top of the arithmetic: stratification - warm air from lights, screens and bodies rises, taking passively released output with it, so in a tall room a share of what you release ends up above head height where nobody is standing. The volume sum understates a tall room's difficulty rather than overstating it. Two: air conditioning decides how much dilution you are working against, and it is free to check. In fresh-air mode the unit is continuously bringing outside air in and pushing room air out, so the register reads lower and steadier and the diffuser is working against constant dilution. In recirculate, the same air goes round, nothing is diluted, and concentration climbs across the day. Those are two completely different rooms at the same dial setting, and a great many studios have never checked which mode theirs is in. Worse, some systems switch automatically, which means the room changes character without anybody touching anything. Find out, fix it if you can, and write it on the setting card. AC also decides where the machine should go: on the supply side it distributes for you, and next to the return it feeds straight back into the unit, which is the most common wasted installation there is. Three: an open layout removes the boundaries that let a level settle. A closed room holds what is put into it and reaches a steady state. An open floor connected to a lounge, a corridor and a stairwell never does - whatever leaves the source keeps diluting into a volume with no edge. This is why an open plan cannot be zoned by strength at all: one air mass takes one setting, decided by whoever sits longest anywhere in it, and no equipment changes that. It also means doors are worth money at this scale, because they convert one hard problem into several easy ones. The three interact, which is the part worth planning around. A tall, open, recirculating studio is the hardest case: large volume, no boundaries, no dilution to help you, and stratification carrying output upward - that room needs the machine sized on cubic metres, mounted in the circulation, and a level judged at seated height rather than standing. A normal-height, closed, fresh-air room is the easiest: small volume, bounded, continuously refreshed - reeds at ₹749 to ₹849 will do it comfortably. Most studios are somewhere between, and the way to find out is to measure the ceiling, check the AC mode, and run the one-day air-mass test rather than reading the floor plan. Register from your three dominant client-facing materials as always: Mountain Breeze at ₹849, Garden Bloom at ₹799, Fresh Brew at ₹849 or Morning Freshness at ₹749. Changing areas are never scented, a named seating area stays genuinely fragrance-free and is offered at booking, maternity and family sessions run with it off by default, and nothing sits near open gear cases or a cleaning bench. Fragrance is an ambience decision like lighting or seating, and SOSA makes no claim that it affects bookings, enquiries, conversion, package value or spend. It works alongside ventilation, cleaning, fabric care and humidity control, never instead of them. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Height turns floor area into volume - 2,000 sq ft is about 557 cubic metres at three metres and 929 at five, against a Vaayu rated to 1000. AC mode decides how much dilution you work against. An open layout removes the edges that let a level settle.
Size in cubic metres: one SOSA Vaayu at ₹11,999 to 1000m³, or SOSA Angaan at ₹25,999 to 3000m³ - never two units in one volume.
See the SOSA Vaayu ₹11,999 Ask for a studio scenting plan
Five registers, five kinds of studio
The register follows the interior and the work, not the owner's favourite scent
What to buy, and for which space
The honest options for the client-facing zone, sized to the floor rather than to the ambition. The images link to the product pages so every figure here can be checked.
One connected volume above about 3,000 sq ft, on the duct
SOSA Angaan
HVAC nebulising diffuser rated to 3,000m³ - roughly 8,000-10,000 sq ft - with an 800ml reservoir, metal body, programmable schedules and operation under 42dB. Above about 3,000 sq ft of one connected volume this is the step rather than a second Vaayu, because two machines in one air mass drift apart. It goes on the supply side of the run serving the client-facing zone, and never one that feeds the changing room or a gear store.
₹25,999
A connected reception, consultation and lounge floor of ~1,500-3,000 sq ft
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³ - about 2,000-3,000 sq ft - on one unit. In a photography studio its value is control: the key-lock holds the level a two-hour album session can live with, the 1h/4h/8h/24h timer keeps it on studio hours so the room is not saturated when the first couple arrives, and waterless output adds no moisture to backdrops, rugs and upholstery. Wall or HVAC mounted, and kept well away from open gear cases and any cleaning bench. 400ml tank, roughly 75-90 days, under 38dB.
From ₹11,999
Three variables, one sum
Do the arithmetic once, check one switch, and run one test. That is the whole of sizing.
1
The sum
Square feet divided by 10.76, times the ceiling height
A 2,000 sq ft studio is about 186 square metres. At a three-metre ceiling that is roughly 557 cubic metres; at five metres the same floor plan is roughly 929. A SOSA Vaayu at ₹11,999 is rated to 1000m³, so the first sits comfortably inside its range and the second is at its limit. Identical floor plans, different machines. Above 1000m³ of one volume, Angaan at ₹25,999 to 3000m³.
Test: thirty seconds with a tape measure ends most sizing arguments.
2
And worse
Height also sends output upward
On top of the arithmetic, warm air from lights, screens and bodies rises and carries passively released output with it, so in a tall room a share of what you release ends up above head height where nobody stands - stratification. The volume sum understates a tall room's difficulty rather than overstating it, which is worth knowing before you decide a unit is only just big enough.
Rule: the cubic-metre number is the optimistic version of a tall room's problem.
3
AC mode
Fresh air dilutes; recirculate accumulates
On fresh air the unit continuously brings outside air in and pushes room air out, so the register reads lower and steadier and the diffuser works against constant dilution. On recirculate the same air goes round and concentration climbs across the day. Two completely different rooms at one dial setting - and some systems switch automatically, so the room changes character with nobody touching anything.
Test: free to check, and it moves the room further than the dial does.
4
Where
AC also decides where the machine goes
On the supply side the building's air handling distributes for you, which is the best result available. Next to the return, the unit feeds straight back into the machine rather than into the room - the most common wasted installation there is. Check which rooms the supply run actually feeds before mounting, because a duct that continues into a changing area undoes your zoning entirely.
Rule: supply side distributes. Return side just feeds the machine.
5
Open
No boundaries means no zoning and no steady state
A closed room holds what is put into it and reaches a steady state; an open floor connected to a lounge, corridor and stairwell never does. It also cannot be zoned by strength at all - one air mass takes one setting, decided by whoever sits longest anywhere in it. Which is why doors are worth money at this scale: they turn one hard problem into several easy ones. Nothing near open gear.
Rule: doors convert one hard problem into several easy ones.
The SOSA principle
A 2,000 sq ft studio is 557 cubic metres at three metres and 929 at five. Same floor plan, same lease, and two genuinely different machines - which is why buying on square footage goes wrong.
Measure the ceiling, check the AC mode, and run the air-mass test. Those three answer sizing better than any floor plan.
The three variables, question by question
Arithmetic, one switch, and one test.
The SOSA studio table
How ceilings, AC and layout affect distribution
| The question | The answer |
|---|---|
|
How do I convert to cubic metres?
|
Divide the square footage by 10.76 for square metres, then multiply by the ceiling height. A 2,000 sq ft studio is about 186 square metres - 557 cubic metres at three metres, and 929 at five. |
|
What do those numbers mean in practice?
|
A SOSA Vaayu at ₹11,999 is rated to 1000m³. So the three-metre version of that studio sits comfortably inside its range, while the five-metre version of the same floor plan is at its limit. |
|
Does height do anything beyond volume?
|
Yes - stratification. Warm air from lights, screens and bodies rises and carries passively released output above head height, so the cubic-metre sum understates a tall room's difficulty rather than overstating it. |
|
What does AC mode change?
|
How much dilution you work against. Fresh air brings outside air in continuously so the register reads lower and steadier; recirculate moves the same air round and concentration climbs across the day. |
|
And an open layout?
|
It removes the boundaries that let a level settle, and it makes zoning by strength impossible - one air mass takes one setting, decided by whoever sits longest anywhere in it. |
The stratification effect is in why reeds struggle in open studios, the AC causes in the closed-room AC smell, and the unit-count rule in one machine or multiple diffusers. SOSA makes no claim that fragrance affects bookings, enquiries, conversion, package value or spend.
One register, the client-facing zone, set from the furthest chair
SOSA Vaayu ₹11,999 waterless, key-locked and timed to studio hours; reeds from ₹749 as the register. Send the floor plan with the changing room and the gear store marked and we will return it with the placement.
Two studios with the same floor plan and different ceilings need different machines. Thirty seconds with a tape measure would have told you which.
— Sonal Sahani, SOSA
Sized to the floor
The client-facing zone gets one source; the changing room gets none
The SOSA photography studio specification
Five registers, matched to five kinds of studio, with the rule that travels alongside each. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
The SOSA photography studio specification
Which register belongs in which studio, and what carries it
| Product | The space it fits | The rule that travels with it | Price |
|---|---|---|---|
|
SOSA Vaayu
|
A connected reception, consultation and lounge floor of ~1,500-3,000 sq ft | Wall or HVAC mounted away from any gear bench; level set from the furthest chair at the end of the longest session, then key-locked; timer on studio hours | ₹11,999 View → |
|
SOSA Mountain Breeze Reed Diffuser
|
Wood, brick, concrete, steel and rustic interiors | Pine, sage and cedar - dry and architectural; three or four reeds in at the staff end of the desk, flipped weekly | ₹849 / ₹1,349 View → |
|
SOSA Garden Bloom Reed Diffuser
|
Bridal, wedding and softer portrait studios | British rose and night-blooming jasmine - elegant rather than sweet; three reeds in, two in a hard-surfaced room | ₹799 / ₹1,299 View → |
 SOSA Fresh Brew Reed Diffuser
|
Dark, charcoal, cinematic and vintage rooms | Coorg coffee and Kerala vanilla, run lower than a dry register - warmth reads stronger and creeps upward if unlocked | ₹849 / ₹1,349 View → |
 SOSA Morning Freshness Reed Diffuser
|
Bright white, editorial and light-and-airy studios | Malabar lemon, mint and eucalyptus - cool and clear; never a warm register in a room whose whole identity is daylight | ₹749 / ₹1,249 View → |
A SOSA Sukoon (₹1,899) is the water-based rung for one enclosed room of roughly 270-320 sq ft in a dry studio, and a Boond (₹899) for a small consultation cabin; both run on the water-based Hotel Collection fragrance (from ₹299), which is not reed diffuser oil and is not interchangeable with it. Above about 3,000 sq ft of one connected volume the step is one SOSA Angaan (₹25,999) on the duct, not a second Vaayu. Changing rooms are never scented, and nothing is placed where clients undress or where a maternity or family session is being shot without the client being asked first. Keep any machine well away from open gear cases, a lens or cleaning bench and anywhere sensors are handled, and never mount one above a workstation - this is a placement precaution, not a claim about equipment damage. A named seating area is kept genuinely fragrance-free and offered rather than waiting to be asked. Fragrance is an ambience decision like lighting or seating: it does not remove or reduce anything in the air, and SOSA makes no claim that it affects bookings, enquiries, conversion, package value, upsell or spend. It works alongside ventilation, cleaning, fabric care and humidity control, never instead of them. Ask for a studio scenting plan and send the floor plan with the changing room and the gear store marked.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
Do the sum once and most of this stops being an argument. Square feet divided by 10.76, times the ceiling height. Two thousand square feet is about five hundred and fifty-seven cubic metres at three metres, and about nine hundred and twenty-nine at five. A Vaayu is rated to a thousand. Same floor plan, two different machines.
And height does something worse than the sum suggests. The warm air off your lights and screens rises and takes passively released fragrance with it, so a chunk of what you release in a tall room ends up above head height. The cubic-metre number is the optimistic version.
Then check the air conditioning mode, which is free and moves the room further than the dial does - fresh air dilutes continuously, recirculate accumulates. And remember an open plan cannot be zoned by strength at all: one air mass, one setting, decided by whoever sits longest in it. Doors are worth money. Vaayu at ₹11,999 to a thousand cubic metres, Angaan at ₹25,999 to three thousand. Changing areas are never scented, a named seat stays fragrance-free, nothing sits near open gear, and I make no claim that any of it affects bookings, enquiries, conversion, package value or spend. It works alongside ventilation, cleaning and fabric care, never instead of them. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
How do high ceilings, AC and open layouts affect fragrance distribution?
Height turns floor area into volume, and machines are rated in volume - 2,000 sq ft is about 557 cubic metres at a three-metre ceiling and about 929 at five. AC mode decides how much dilution you work against. And an open layout removes the boundaries that let a level settle.
How do I convert square feet to cubic metres?
Divide the square footage by 10.76 to get square metres, then multiply by the ceiling height in metres. A 2,000 sq ft studio is roughly 186 square metres, which is 557 cubic metres at three metres and 929 at five.
Does a high ceiling do anything beyond increasing the volume?
Yes. Warm air from lights, screens and bodies rises and carries passively released output above head height, so a share of what you release in a tall room reaches the part nobody occupies. The cubic-metre sum understates a tall room's difficulty.
What does air conditioning mode change?
How much dilution the diffuser is working against. On fresh air the unit continuously brings outside air in, so the register reads lower and steadier. On recirculate the same air goes round, nothing is diluted, and concentration climbs across the day.
Why can't an open studio be zoned by strength?
Because one air mass takes one setting, decided by whoever sits longest anywhere in it, and no equipment changes that. A closed room holds what is put into it and reaches a steady state; an open floor connected to a lounge and corridor never does.
Do the sum in cubic metres
SOSA — Studio Scenting how ceilings, AC and layout affect fragrance distribution
Height turns floor area into volume, and machines are rated in volume: divide the square footage by 10.76 and multiply by the ceiling height. A 2,000 sq ft studio is about 557 cubic metres at three metres and about 929 at five - and a SOSA Vaayu (₹11,999) is rated to 1000, with Angaan (₹25,999) to 3000. Height also sends output upward through stratification, so the sum is the optimistic version. Check the AC mode, because fresh air dilutes continuously and recirculate accumulates, and mount on the supply side rather than beside the return. And an open layout cannot be zoned by strength at all. Changing areas are never scented and nothing sits near open gear. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Ask for a studio scenting plan → SOSA Vaayu · ₹11,999
One more look at the range
Continue the read
More from SOSA
- SOSA Vaayu (₹11,999)
- SOSA Mountain Breeze Reed Diffuser (₹849)
- Why reeds struggle in large open studios
- One machine or multiple diffusers?
- Why an air-conditioned studio develops a closed-room smell
- 3,000 sq ft with multiple rooms
- What suits an industrial loft studio?
- When a studio needs active waterless scenting
- How do I scent a 1,500 sq ft studio?
- Ask us: Ask for a studio scenting plan
- Brand: Founder story — why SOSA exists
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body. Product recommendations reflect the SOSA range; the planning advice applies to any brand.Facts verified 11 September 2026 against the live SOSA product pages: the SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting roughly 75-90 days depending on intensity and run hours, Bluetooth app and onboard button control, 1h/4h/8h/24h timers, adjustable intensity, operation under 38dB, DC 12V/1A at 5W, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification - electrical and compliance marks only. Being waterless it adds no moisture and leaves no residue on surfaces. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir, metal body, programmable schedules and operation under 42dB. The SOSA Sukoon (₹1,899) is a 500ml water-based ultrasonic diffuser for a single room of roughly 270-320 sq ft, and the SOSA Boond (₹899) is its compact equivalent; both use the water-based Hotel Collection fragrance (15ml from ₹299, 100ml ₹999, 300ml ₹1,799), made for ultrasonic diffusers and not reed diffuser oil. SOSA reed diffusers are alcohol-free and phthalate-free, with a 50ml bottle lasting 6-8 weeks and a 130ml bottle 14-18 weeks, and 300ml and 500ml refills at ₹2,399 and ₹3,499: Morning Freshness (₹749 / ₹1,249), Garden Bloom (₹799 / ₹1,299), Evening Calm (₹799 / ₹1,299), Mountain Breeze (₹849 / ₹1,349) and Fresh Brew (₹849 / ₹1,349), with the Fresh & Grounded duo (₹1,548 / ₹2,548) and the Warmth & Bloom duo (₹1,598 / ₹2,598). Ambient fragrance is an interior and hospitality decision only. It does not remove, neutralise or reduce anything in the air and does not purify air, and SOSA makes no claim that it affects bookings, enquiries, conversion, package value, upsell, retention or spend, or that it influences any client decision. It is never a substitute for ventilation, cleaning, fabric and upholstery care or humidity control - a studio with a persistent stale or musty smell has a source to find and fix first. Changing rooms are left unscented, and on maternity and family sessions the scent is switched off by default and offered rather than assumed, because heightened smell sensitivity and nausea are common in pregnancy. A named seating area is kept genuinely fragrance-free and offered at booking. As a placement precaution rather than a claim about equipment damage, keep any diffuser well away from open gear cases, a lens or cleaning bench and anywhere sensors are handled, and do not mount one above a workstation. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.