Description
Quick answer: HumidX F20 is ResMed’s waterless humidification cartridge for the AirMini travel CPAP, in the version made for use with the AirFit F20 full face mask. Instead of a water chamber, it uses a heat-and-moisture-exchange membrane: it captures moisture from your exhaled breath and returns it on the next breath. That means humidification with no water, no refilling, and no spills — ideal for travel. Available in 3-packs and 6-packs. Each HumidX is replaced approximately every 30 days.
What’s included
- 3-pack: 3 × HumidX F20 cartridges
- 6-pack: 6 × HumidX F20 cartridges
AirMini device, tubing, and mask not included. Select your pack size when ordering.
About this part
The AirMini is small enough to fit in a hand — which means there’s no room for a traditional water chamber. ResMed solved that with HumidX: a small cartridge that sits inline in the AirMini’s tubing connector and works passively. As you exhale, the membrane captures warmth and moisture; as you inhale, it gives that moisture back to the incoming air. No power, no water, no refilling.
This is the F20 version — designed for use with the AirFit F20 full face mask setup on the AirMini. It’s a consumable: humidification performance drops as the membrane loads with use, so it’s replaced roughly every 30 days (sooner in some conditions). Buying a 3-pack covers about three months; a 6-pack covers about six.
Key features
- Waterless humidification — no water chamber, no refilling, no spills.
- For the AirMini + AirFit F20 setup — the F20-specific version.
- Passive heat & moisture exchange — works with your own breath; no power needed.
- Ideal for travel — nothing to empty before packing.
- Replaceable consumable — approximately every 30 days.
- Two pack sizes — 3-pack (~3 months) or 6-pack (~6 months).
Specifications
| Specification | Detail |
|---|---|
| Product type | Waterless humidification cartridge (HME) |
| Compatible device | ResMed AirMini travel CPAP |
| Mask version | For AirFit F20 setup |
| Pack sizes | 3-pack · 6-pack |
| Replacement interval | Approximately every 30 days |
| Water required | None |
| ResMed reference / SKU | 38012 · 38013 (confirm which code is which pack size) |
| Brand | ResMed |
Use & replacement notes
Fit the HumidX into the AirMini tubing connector as shown in the AirMini user guide, and make sure it’s fully seated. Do not wash the HumidX — it isn’t cleanable, and washing damages the membrane. Replace it approximately every 30 days, or sooner if humidification feels reduced or the cartridge looks soiled or discolored. Store spares in their sealed packaging in a cool, dry place, and keep the cartridge dry before use.
Frequently asked questions
How does it humidify without water?
It uses a heat-and-moisture-exchange membrane that captures moisture from your exhaled breath and returns it on your next inhalation — no water, no power.
Which setup is this for?
The AirMini travel CPAP used with the AirFit F20 full face mask. Other AirMini masks use different HumidX versions.
How often do I replace it?
Approximately every 30 days, or sooner if humidification seems reduced.
Can I wash and reuse it?
No — HumidX cartridges are not washable. Washing damages the membrane.
Which pack should I buy?
The 3-pack covers about three months; the 6-pack covers about six and is better value per cartridge.
Do I need a prescription?
No — replacement humidification cartridges do not require a prescription.
Can I get them delivered in Brooklyn or shipped nationwide?
Yes — Stark Medical Supplies offers local pickup and delivery in Brooklyn and across NYC, plus USPS shipping throughout the continental U.S.
Use with a compatible ResMed AirMini setup according to the device’s user guide. Do not wash or reuse; replace as directed.
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