Can a Scent Machine Remove Cooking Odours or Does It Only Add Fragrance?
★ ★ Open kitchens: extract and air first, then hold a fragrance over a clear roomSOSA Vaayu ₹11,999 · 1000m³ (about 2,000-3,000 sq ft) · waterless, no residueMade in India · independent, not affiliated with any hotel
★ SOSA, Answering Straight
No. A scent machine adds fragrance alongside the odour. It does not remove anything, and we would rather tell you that before you buy one
★ ★ ★ ★ ★
★★★★★
"They told me plainly that the machine adds fragrance and does not remove cooking smell. I bought it anyway, because that was the first honest answer I had had."
Vikram S. Kochi
SOSA Vaayu · honest advice
★★★★★
"The advice was extraction first, carbon filter second and partial, fragrance last. Nobody selling me anything had ever put fragrance last before."
Imran Q. Bhopal
SOSA Vaayu · ranked honestly
★★★★★
"I used to turn the diffuser up when the flat smelled of frying. She told me to stop doing exactly that. More air, not more perfume."
Shalini P. Jaipur
SOSA Vaayu · told what not to do
★★★★★
"Switching the chimney on before the pan heats up rather than after the smell starts was the whole fix. I felt silly that nobody had told me that in fifteen years of cooking."
Aparna J. Mumbai
SOSA Vaayu · extraction first
★★★★★
"It was the curtains all along. We washed the two on the kitchen side and the living room smelled like a different flat by evening."
Rohit N. Thane
SOSA Vaayu · textiles
★★★★★
"No damp film on the teak and no white dust on the sideboard, which matters when the dining table is three steps from the hob."
Anjali D. Bengaluru
SOSA Vaayu · waterless, no residue
★★★★★
"They told me plainly that the machine adds fragrance and does not remove cooking smell. I bought it anyway, because that was the first honest answer I had had."
Vikram S. Kochi
SOSA Vaayu · honest advice
★★★★★
"The advice was extraction first, carbon filter second and partial, fragrance last. Nobody selling me anything had ever put fragrance last before."
Imran Q. Bhopal
SOSA Vaayu · ranked honestly
★★★★★
"I used to turn the diffuser up when the flat smelled of frying. She told me to stop doing exactly that. More air, not more perfume."
Shalini P. Jaipur
SOSA Vaayu · told what not to do
★★★★★
"Switching the chimney on before the pan heats up rather than after the smell starts was the whole fix. I felt silly that nobody had told me that in fifteen years of cooking."
Aparna J. Mumbai
SOSA Vaayu · extraction first
★★★★★
"It was the curtains all along. We washed the two on the kitchen side and the living room smelled like a different flat by evening."
Rohit N. Thane
SOSA Vaayu · textiles
★★★★★
"No damp film on the teak and no white dust on the sideboard, which matters when the dining table is three steps from the hob."
✓ We will tell you plainly that fragrance does not remove cooking odour - extraction, airflow and cleaning do, and the machine goes on afterwards✓ Waterless nebulising, so no dampness and no residue on wood, upholstery or cabinet fronts. 1000m³, under 38dB, 400ml tank up to about 75 days✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Home Problems · Cooking Smells and Open-Plan Homes
By Sonal Sahani · ISIPCA Versailles13 min readUpdated August 2026
This is the question we get asked most often by people about to spend money, and the honest answer costs us sales, so here it is plainly. A scent machine does not remove cooking odours. It adds fragrance alongside them. Everything else on this page is about what does remove them, ranked honestly, with the fragrance machine placed where it actually belongs - last.
Quick answers — read this first
Can a scent machine remove cooking odours? No. A scent machine adds fragrance molecules to the air alongside whatever odour is already there. Diffusing a fragrance does not break down, neutralise, capture, adsorb or cancel a cooking odour molecule, and there is no mechanism by which it could. What removes cooking smell is extraction at the source, ventilation, and cleaning or laundering the oil film that has settled on surfaces and textiles. An activated carbon filter adsorbs some odour, partially, and saturates. A HEPA filter does nothing for smell because it captures particles rather than gases. Fragrance is cosmetic and belongs last, on air that is already clear. A SOSA Vaayu (₹11,999) is a fragrance machine and nothing more.
Is an air purifier better than a diffuser for cooking smells? For removing odour, yes, but only partially and only if it has an activated carbon stage. Carbon adsorbs some odour molecules and saturates over time, so the cartridge has to be replaced on schedule or it is doing nothing. The HEPA stage that most purifiers are sold on captures particles and does not address smell, because the odour compounds are gases that pass straight through it. Neither substitutes for extraction and airflow, which is what actually takes the cooking aerosol out of the building. A diffuser removes nothing at all - it adds fragrance.
Why does adding fragrance over a cooking smell make it worse? Because the two smells combine rather than replace each other. Cooking oil is heavy and savoury, most home fragrances are sweet or floral, and the nose reads the combination as one confusing new smell that is unpleasant in a way neither original is. It is also self-reinforcing: you cannot smell your own fragrance after a few minutes, so you turn it up, and a visitor arrives to a wall of perfume with frying underneath it. If a room still smells of cooking, it needs more air and a wipe-down, not more fragrance.
The short answer
Short answer: no. A scent machine adds fragrance alongside the cooking odour, it does not remove odour molecules, and no diffuser of any brand or price does. Extraction and ventilation actually remove; cleaning and laundering remove the deposited oil film that keeps re-releasing; an activated carbon filter adsorbs some odour partially and saturates; a HEPA filter does nothing for smell because it captures particles rather than gases; and fragrance is cosmetic and comes last, on air that is already clear.
The pick: if the air is clear and you want the home to have a scent of its own, one SOSA Vaayu (₹11,999), 1000m³ of coverage, waterless, under 38dB. If the air is not clear yet, buy nothing and fix the extraction first - that is the part that removes.
Next step: describe what your home smells of and when, and we will tell you honestly whether a machine is even the right purchase - ask us what fits your home.
This is the whole honest hierarchy on one page. The first three remove the odour, the fourth helps partially, the fifth does nothing for smell at all, and the sixth - which is the one being sold hardest, including by us - removes nothing and is purely cosmetic. It belongs at the end, on air that is already clear.
Does a scent machine remove cooking odour, or does it only add fragrance on top?
It only adds fragrance. A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Diffusing a fragrance does not break down, neutralise, capture or cancel a cooking odour, and any brand telling you otherwise is overselling a fragrance product. Run a diffuser in a room that still smells of last night's frying and you get both smells at once - and frying oil sitting under a strong sweet fragrance is genuinely worse than either on its own, because the nose stops reading two smells and starts reading one confusing new one. There is no mechanism in a diffuser of any kind - nebulising, ultrasonic, heated, evaporative - that captures, breaks down or neutralises an odour molecule. It disperses fragrance oil into the air, and that is all. So it is worth knowing what does the removing, in order. It helps to rank the tools honestly, because they are not interchangeable. Extraction removes. A chimney or exhaust fan running over the pan pulls the oil aerosol out of the building before it can reach anything soft. Ventilation removes. An open window on the far side of the kitchen gives the loaded air a route out that does not run through your sofa. Cleaning removes. Wiping the film off while it is fresh, and washing or airing the textiles, takes away the source that keeps re-releasing. An activated carbon filter adsorbs some odour, partially, and it saturates, so it needs replacing on schedule to keep doing anything. A HEPA filter does not do this job - HEPA is designed for particles, and the odour compounds you are actually smelling are gases that pass straight through it. And fragrance removes nothing at all. It is cosmetic, it comes last, and it belongs on a room that is already clear. And then there is the part that matters most in an open-plan Indian home, which is that a large share of the cooking smell is not in the air at all by the time you are thinking about it. Frying does not simply release a smell into the air. Hot oil breaks up into an aerosol - microscopic droplets of cooking fat, carried up on the steam and the convection current rising off the pan - and those droplets travel wherever the air travels. In an open-plan home the air travels straight into the living room, because there is nothing in the way. The droplets are far too small to see and far too light to fall like crumbs, so they drift until they meet something cool or something soft, and then they stay there. Curtains, sofa fabric, cushion covers, throws, rugs, dining chair upholstery, and a thin invisible film on walls, ceilings and cabinet fronts. That film is the entire story. By the time you sit down after dinner the air itself has largely cleared, and the smell is still in the room because it is no longer in the air at all. It is on the textiles, re-releasing slowly for hours. That deposit is why the smell keeps coming back after you have ventilated, and it is why washing the cushion covers outperforms any machine you can buy, including ours. So where does a fragrance machine honestly belong? At the end. On clear air, in a clean room, giving a home a consistent scent of its own - which is a real and worthwhile thing, and completely different from covering something up. A SOSA Vaayu (₹11,999) is a fragrance machine: a waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft, running under 38dB on a 400ml tank that lasts up to about 75 days. One more line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier, it does not filter, disinfect or remove anything from the air, and it makes no health claim of any kind. And the specific mistake worth naming: do not answer a cooking smell by turning the fragrance up. A strong sweet scent over frying oil is the single worst-smelling combination in a home, and every one of us has walked into a flat and met it. If the room still smells of dinner, the answer is more air, not more perfume. If your air is not clear yet, the honest advice is to spend the money on your extraction instead, and a free home scenting plan will tell you that for nothing. A portion of every order supports girl-child education through Nanhi Kali.
No. A scent machine adds fragrance alongside the odour and removes nothing. Extraction and ventilation remove, cleaning removes the deposited oil film, carbon filtration helps partially, HEPA does nothing for smell, and fragrance is cosmetic and last.
What the machine honestly is: the SOSA Vaayu is a fragrance machine. It nebulises pure fragrance oil across 1000m³ (about 2,000-3,000 sq ft) at under 38dB, waterless, with app timers and a 400ml tank lasting up to about 75 days. It is not a purifier, not a filter and not an odour remover, and we will not describe it as one.
If you have read this far and the extraction in your home is not right, close this page and fix that instead - it is the only step that removes anything, and no machine here will compensate for it. If the air is genuinely clear, here is what a fragrance machine honestly does and why the specification matters near a kitchen.
Waterless cold-air nebuliser at ₹11,999, rated to 1000m³ - about 2,000-3,000 sq ft. It disperses pure fragrance oil. It does not filter, purify, neutralise or remove odour, and it makes no health claim. 400ml tank up to about 75 days, under 38dB, 5W.
An ultrasonic diffuser mists water into the room, adding dampness to surfaces that in an open plan are already collecting cooking film. The Vaayu nebulises pure oil with no water and no heat, so nothing damp or greasy is added from the fragrance side.
Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, so the run can be scheduled for after the extraction has finished rather than during cooking, when it would simply be vented out of the building.
1000m³ coverage (about 2,000-3,000 sq ft), 400ml tank lasting up to about 75 days, Bluetooth app and 1h/4h/8h/24h timers with adjustable intensity, under 38dB, 5W, freestanding or wall and HVAC mount, auto-stop and key-lock. CE, RoHS and SGS certified. Waterless, so no dampness and no residue on wood or fabric. Made in India.
Four tools, four honest verdicts. Only the first three remove anything, and the one most heavily marketed removes the least.
1
Extraction and ventilation
The only things that take the odour out of the building
A chimney or exhaust over the hob captures the cooking oil aerosol at the point where it is a concentrated rising column, and vents it outside. Nothing else in this article works at the source, and nothing else is as effective. Two conditions matter: it must actually vent outside rather than recirculate, and the grease filter must be degreased regularly, because a saturated filter stops capturing and starts contributing. Ventilation is the same principle with less precision - a window on the far side of the kitchen gives the loaded air a route out that does not run through your living room. Both are free to run and both remove. If you take one thing from this page, it is that a well-specified ducted chimney run from before the pan heats until 15 to 20 minutes after does more for the smell of an open-plan home than every fragrance product ever sold into it.
Tip: the only genuine removal happens here. Everything below this line is partial or cosmetic.
We sell the thing at the bottom of this list, and we would still tell you to spend on the top of it first. The Vaayu is for afterwards.
Carbon adsorbs some odour. HEPA does nothing for smell.
This is the most common confusion in the category and it is worth being precise about. A HEPA filter is a mechanical particle filter: it captures dust, pollen, smoke particulate and similar solids. The compounds that make cooking smell are largely volatile organic gases, and gases pass straight through a HEPA filter as if it were not there. So a purifier sold on its HEPA rating is not an odour device. Odour reduction in a purifier comes from the activated carbon stage, where porous carbon adsorbs some odour molecules onto its surface. That works, partially, with two caveats: carbon has a finite capacity and saturates, so a cartridge that has not been changed is inert; and the thin carbon sheets in most domestic units hold far less than a serious carbon bed. Useful as a second line in a closed-up flat. Not a substitute for extraction, and not a reason to skip cleaning the deposit.
Neither is what a diffuser does. The Vaayu adds fragrance and does not filter or adsorb anything.
Adds only, comes last, and does its own job well once the air is clear
A fragrance machine disperses scent into the air. That is the entire function. It does not react with, adsorb, capture or neutralise a cooking odour, and if a brand claims otherwise about a plain diffuser, treat the rest of their claims with suspicion. Used correctly - on air that is already clear, at a moderate intensity, on a schedule - it does something genuinely valuable: it gives a home a consistent smell of its own, day after day, which is most of what people are actually responding to when they say a house smells expensive or hotel-like. Used incorrectly - turned up to cover frying - it produces the single worst smell in domestic life. The tool is fine. The order is what matters, and the order is: remove first, then add.
Tip: remove first, add second. A fragrance machine is only ever the second half of that sentence.
The Vaayu does the second half well: one scent, evenly, across up to 1000m³ at under 38dB.
We sell fragrance machines, and the most useful sentence we can give you is that a fragrance machine will not remove your cooking smell. Extraction will. Washing your curtains will.
A brand that tells you what its product cannot do is worth listening to about what it can.
Honestly described: SOSA Vaayu is a fragrance machine - 1000m³ of coverage, waterless, under 38dB. It adds scent to clear air and removes nothing. ₹11,999.
The honest ranking, from what removes to what only adds
The whole hierarchy in one table. Read the verdict column and notice where the thing we sell sits.
The SOSA plan
What each tool does to a cooking odour
What you are actually dealing with
What fixes it
Chimney, exhaust and cross-ventilation
REMOVES. Captures the cooking oil aerosol at the source and vents it out of the building. Must vent outside and the grease filter must be kept degreased. Run it before you cook and 15 to 20 minutes after.
Cleaning the fresh oil film, washing the textiles
REMOVES. Takes away the deposit that keeps re-releasing for hours. Washing the cushion covers and the kitchen-side curtains outperforms every product on this list.
An air purifier: carbon stage, then the HEPA stage
PARTIAL, then NONE. Activated carbon adsorbs some odour and saturates, so cartridges must be replaced. HEPA captures particles and does nothing for smell, because odour compounds are gases.
A fragrance machine such as the SOSA Vaayu (₹11,999)
ADDS ONLY. Removes nothing. Cosmetic, and worth running on air that is already clear, where it gives a home one consistent scent across 1000m³ at under 38dB. View →
If you want the mechanism behind why the smell survives ventilation at all, it is the deposited oil film, and that is set out in why cooking smell stays in the house for hours. If you want the practical version - what to actually do about it in an open plan - start with how to stop cooking smells spreading through an open-plan home. And for what a Vaayu is genuinely good for in a home that cooks, see when to use SOSA Vaayu after cooking. The pillar is why your house doesn't smell fresh even after cleaning. And the specific mistake worth naming: do not answer a cooking smell by turning the fragrance up. A strong sweet scent over frying oil is the single worst-smelling combination in a home, and every one of us has walked into a flat and met it. If the room still smells of dinner, the answer is more air, not more perfume.
No water, no heat, no residue: SOSA Vaayu nebulises pure fragrance oil from a 400ml tank lasting up to about 75 days, at 5W. ₹11,999.
If a fragrance brand tells you their diffuser removes cooking smell, they are describing a machine that does not exist. Ours certainly does not, and we would rather say so before you spend the money.
— Sonal Sahani, SOSA
What it is not
Not a purifier, not a filter, not a dehumidifier, and no health claim of any kind
What the machine honestly is, and where it belongs in the order. A waterless nebuliser that gives a clear room a consistent scent of its own, placed last in a sequence whose earlier steps do the actual removing. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
The SOSA specification for open kitchens
Extract and clean first, then one machine sized to the open air volume
Open-plan flats, villa floors and whole homes up to about 2,000-3,000 sq ft
1000m³ coverage, waterless so there is no dampness and no residue near the kitchen, 400ml tank up to about 75 days, Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, under 38dB, 5W, auto-stop and key-lock
To restate it plainly, because it is the point of this page. A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Diffusing a fragrance does not break down, neutralise, capture or cancel a cooking odour, and any brand telling you otherwise is overselling a fragrance product. Run a diffuser in a room that still smells of last night's frying and you get both smells at once - and frying oil sitting under a strong sweet fragrance is genuinely worse than either on its own, because the nose stops reading two smells and starts reading one confusing new one. One more line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier, it does not filter, disinfect or remove anything from the air, and it makes no health claim of any kind. Extraction and ventilation remove, cleaning and laundering remove, activated carbon adsorbs some odour partially, HEPA does nothing for smell, and fragrance is cosmetic and last. SOSA's hotel-inspired fragrances are our own original interpretations of a style of scenting, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. If your extraction is not right, we would honestly rather you spent the money there - ask us what fits your home.
SS
ISIPCA Versailles
A note from Sonal
I would rather lose a sale than make one on a false claim, so here it is: nothing I sell removes a cooking smell. A diffuser disperses fragrance oil into the air. It has no filter, no reaction, no adsorbent surface and no mechanism of any kind for taking a molecule out of a room. If you have been told otherwise by anyone in this industry, including someone selling a product far more expensive than mine, they were overselling.
What frustrates me is that the real answer is not even a secret. Frying makes an aerosol of oil that settles on your curtains and your sofa, and the smell you are chasing at ten at night is coming off that fabric rather than out of the air. Extraction stops it landing. Washing takes it away. A carbon filter helps a little; a HEPA filter, despite the marketing, does nothing at all for smell. Fragrance is the last five per cent, and the Vaayu does that five per cent beautifully - one scent, evenly, quietly, across a whole floor - on a room that has already been cleared.
And the part I will not soften, even though this is the page where it costs us most. A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Diffusing a fragrance does not break down, neutralise, capture or cancel a cooking odour, and any brand telling you otherwise is overselling a fragrance product. Run a diffuser in a room that still smells of last night's frying and you get both smells at once - and frying oil sitting under a strong sweet fragrance is genuinely worse than either on its own, because the nose stops reading two smells and starts reading one confusing new one. One more line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier, it does not filter, disinfect or remove anything from the air, and it makes no health claim of any kind. A home that smells wonderful has been extracted, wiped and laundered first, and scented second. SOSA's hotel-inspired fragrances are our own original interpretations of a style of scenting, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. Everything is made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
Can a scent machine remove cooking odours?
No. A scent machine adds fragrance, it does not remove odour. Nothing about diffusing a fragrance breaks down, neutralises or captures cooking odour molecules, so a diffuser running in a room that still smells of frying gives you both smells at once. Layering a strong scent over cooking oil is usually worse than either smell alone, because your nose reads the combination as one confusing new smell rather than two separate ones. Extraction, ventilation and cleaning are what remove the smell. Fragrance is the finish on a room that is already clear.
What actually removes cooking smell from a house?
Rank them honestly. Extraction removes: a chimney or exhaust over the pan takes the oil aerosol out of the building before it lands on anything. Ventilation removes: a window on the far side of the kitchen gives that air a route out. Cleaning removes: wiping the fresh film and washing the textiles takes away the source. An activated carbon filter adsorbs some odour, only partially, and it saturates and needs replacing. A HEPA filter does not help with smell at all, because HEPA captures particles and odour compounds are gases that pass through it. Fragrance removes nothing and is purely cosmetic, so it goes last, on air that is already clear.
Does a HEPA air purifier remove cooking smells?
Not the HEPA stage. HEPA is a mechanical particle filter, designed to capture dust, pollen and smoke particulate, and the compounds responsible for cooking smell are largely volatile gases that pass straight through it. Any odour reduction in a purifier comes from its activated carbon stage, which adsorbs some odour molecules onto a porous surface. Carbon works partially and saturates over time, so the cartridge has to be replaced on schedule or it is inert. Neither stage substitutes for extraction, which is what actually takes the cooking aerosol out of the building.
Why does layering fragrance over a cooking smell make it worse?
Because the two smells combine into something worse than either. Cooking oil is heavy and savoury, most home fragrances are sweet or floral, and the nose reads the combination as one confusing new smell rather than two separate ones. Turning the fragrance up to cover dinner is the most common mistake in an open-plan home. If the room still smells of cooking, it needs more air and a wipe-down, not more perfume.
So when is a scent machine actually worth buying?
When the air is already clear and you want your home to have a consistent smell of its own. That is a real and worthwhile thing: the reason well-run hotels and considered homes smell the way they do is not an expensive candle, it is that the scent is continuous, low level and the same every day, over spaces that are ventilated and cleaned underneath. A SOSA Vaayu (Rs 11,999) covers about 2,000 to 3,000 sq ft, is waterless so it adds no dampness or residue near a kitchen, runs under 38dB and holds one fragrance across a whole floor. If your extraction is not right yet, spend the money there first.
For the room after the air is clear: SOSA Vaayu with Bluetooth app, 1h/4h/8h/24h timers, adjustable intensity, auto-stop and key-lock. ₹11,999.
It adds. It does not remove. Everything else follows from that.
SOSA — Open-Plan Home Scentingfor open kitchens, cooking smells and living rooms three steps from the hob
The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft, with a 400ml tank lasting up to about 75 days, Bluetooth app and 1h/4h/8h/24h timers, under 38dB, 5W, auto-stop and key-lock. It is a fragrance machine: it adds scent and does not remove odour, filter, purify or make any health claim. Extraction, ventilation and cleaning remove; carbon filtration helps partially; HEPA does nothing for smell. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
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 24 August 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 up to about 75 days depending on intensity and run hours, Bluetooth app and onboard button control, 1h/4h/8h/24h timers with adjustable intensity, operation under 38dB, DC 12V/1A at 5W, dimensions 165 x 80.5 x 215mm at 0.9kg, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification. It uses no water and no heat, so it adds no dampness to a room and leaves no residue. It is a fragrance machine and not an air purifier: it adds fragrance and does not remove odour. Scent enhances the ambience and perceived quality of a space; it works alongside proper ventilation and cleaning and is not a substitute for either, and SOSA makes no claim that fragrance alone influences a purchase decision. 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.
Imagine if Stars Hollow had its very own candle shop—filled with scents as inviting as Luke's coffee, as warm as a hug from Sookie, and as delightful as one of Lorelai's movie marathons. Welcome to Sosa home and body's very own newsletter!
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