SOSA · The Founder Diaries · Living With Fragrance
One bottle,
two machines
Yes, and it is the quietest advantage of running the pairing. Both machines are waterless nebulisers and both take the same undiluted oil, so a home with one of each keeps a single set of refills rather than two. The listing does not say so clearly enough, which is our fault and not yours.
The answer is yes. The useful part is knowing which three oil families exist and why putting the wrong one in is the only real mistake available here.
Part of the SOSA guides on refills. The oils themselves are here; the machines are पवन Pawan and वायु Vaayu.
The answer in 30 seconds
Does one oil fit both machines?
- Yes. Both are waterless nebulisers. They take the same SOSA waterless oil, undiluted. Nothing is diluted, mixed or watered down for either.
- Two sizes, one product. 100 g and 300 g. A paired home can run the same scent in both machines or two scents from one order.₹1,049
- The 300 g is the one to buy for a pair. Not because of price per gram, but because you stop reordering twice.₹1,849
- Never ultrasonic or reed oil in either. Different products entirely. Water-based fragrance and reed oil will clog a nebuliser nozzle.
Why they share oil when so little else does
Pawan and Vaayu are different sizes of the same idea. Both are cold-air nebulisers: they take fragrance oil in its undiluted state and break it into a mist fine enough to stay suspended in air, using nothing but moving air to do it. No water, no heat, no wick. Because the mechanism is identical, the oil specification is identical, and a bottle bought for one works in the other.
That is not true of most fragrance products, and the reason is worth understanding because it is where the mistakes happen. An ultrasonic diffuser — Boond, Sukoon or Megh — vibrates a plate under water, so its fragrance has to disperse in water and is formulated accordingly. A reed diffuser works by capillary action, so its oil has to be thin enough to climb a rattan stick. Pour either of those into a nebuliser and there is almost nothing in the bottle for it to atomise, or there is enough viscosity to block the nozzle over time.
So the rule is not complicated. Three families of fragrance, three kinds of device, and only one of those families goes into a waterless machine. Within that family the two machines are interchangeable.
| Family | Which machines, and the sizes |
|---|---|
| Waterless nebuliser oil | पवन Pawan, वायु Vaayu and सफ़र Safar. Undiluted, sold by weight: 100 g at ₹1,049, 300 g at ₹1,849. This is the one a paired home buys. |
| Water-based fragrance | Boond, Sukoon and Megh, the ultrasonic machines. Sold in millilitres: 15 ml at ₹299, 100 ml at ₹999, 300 ml at ₹1,799. Not for a nebuliser. |
| Reed diffuser oil | No machine at all. 300 ml at ₹2,399, 500 ml at ₹3,499. Works by capillary action up a rattan stick. |
| Essential oils | Neither machine. Thick or resinous oils can block a nebuliser nozzle, and that is an avoidable repair rather than a warranty matter. |
| Skin perfume and attars | Never in any device. Different concentration, different carrier, and a waste of a good attar. |
Running one scent or two
With a shared oil family you have a choice most homes do not. You can run the same scent in both machines, which gives a single continuous identity from the front door to the bedroom — the simplest and usually the most convincing result. Or you can run two: something fresher on the connected run and something quieter in the bedroom.
If you do split them, keep both inside one family. The two spaces are joined by a corridor and the scents will meet whatever you intend, so a citrus downstairs against an oud upstairs reads as confusion at the landing rather than as contrast. Two woods, or two florals at different weights, work. A deliberate opposition rarely does. Pawan ships with 200 ml of oil as two 100 ml scents, which is a practical way to try exactly this without committing to a second large bottle.
“Three families of oil, three kinds of machine. Only one family goes into a waterless one, and within it the two machines are interchangeable.”
Changing a scent in either machine
- Run the well dry before you switch. Not strictly necessary, but a residue of the previous oil will colour the first day of the new one.
- Wipe the reservoir with a dry cloth. Dry, not damp. These are waterless machines and water does not belong in them at any stage.
- Fill with the new oil and run a short window. Ten or fifteen minutes with a door open, to clear the transition rather than live in it.
- Expect the first evening to read oddly. A new scent in a room that held another one takes a day or two to settle. Judge it on the third evening.
- Note the date you opened the bottle. When it runs out, you have your own consumption figure, which is the only one worth planning around. We do not publish one.
वायु and पवन · one oil, two machines
The pairing, and the single set of refills
वायु Vaayu takes the connected volume and पवन Pawan takes a room, and because both are cold-air nebulisers they run on the same undiluted oil. One order serves the house.
That is also why you can add the second machine whenever you like: nothing you have already bought becomes the wrong consumable.
Waterless nebuliser oil ₹1,049 for 100 g, ₹1,849 for 300 g · वायु Vaayu ₹12,499 · पवन Pawan ₹6,999 · the pairing ₹19,498
See the waterless oilsSee पवन PawanQuestions, answered
Can I use the same bottle in Pawan and Vaayu?
Which size should I buy if I have both machines?
Why does the refill page not mention Pawan?
Can I put Hotel Collection fragrance in Pawan or Vaayu?
Can I put reed diffuser oil in either machine?
What about essential oils?
How long does a bottle last?
Continue in the SOSA guides
If you would rather ask a person
Tell us which machine you have
Say which device you own, or photograph it with the lid off, and we will confirm which oil family it takes before you order. If it is not one of ours, we will still tell you what it needs.
Send a photograph on WhatsApp