Description
Quick answer: HumidX is ResMed’s waterless humidification cartridge for the AirMini travel CPAP. Instead of a water chamber, it uses a heat-and-moisture-exchange membrane that captures moisture from your exhaled breath and returns it on the next breath — humidification with no water, no refilling, and no spills. This is the standard HumidX in a bulk 50-pack (part 38808), the practical size for clinics, home-care providers, and long-term users stocking up. Each cartridge is replaced approximately every 30 days.
What’s included
- 50 × HumidX standard cartridges (part 38808)
AirMini device, tubing, and mask not included.
About this part
The AirMini is small enough to fit in a hand — too small for a traditional water chamber. HumidX solves that passively: as you exhale, its membrane captures warmth and moisture; as you inhale, it returns that moisture to the incoming air. No water, no power, nothing to empty before packing.
This is the standard HumidX, used with the AirMini’s nasal and nasal pillow mask setups. (ResMed also makes HumidX Plus, for drier environments, and a separate HumidX F20 version for full face setups — these are not interchangeable.)
HumidX is a consumable — humidification declines as the membrane loads with use, so each cartridge is replaced roughly every 30 days. A 50-pack covers a long stretch for one user, or serves as stock for a clinic or supplier.
Key features
- Waterless humidification — no water chamber, no refilling, no spills.
- Passive heat & moisture exchange — works with your own breath; no power needed.
- Standard version — for AirMini nasal and nasal pillow setups.
- Bulk 50-pack — best value per cartridge; ideal for clinics and providers.
- Ideal for travel — nothing to empty before packing.
- Replaced approximately every 30 days.
Specifications
| Specification | Detail |
|---|---|
| Product type | Waterless humidification cartridge (HME) |
| Compatible device | ResMed AirMini travel CPAP |
| Version | Standard |
| Pack quantity | 50 |
| Replacement interval | Approximately every 30 days |
| Water required | None |
| Related versions | HumidX Plus (drier climates) · HumidX F20 (full face setups) |
| ResMed reference / SKU | 38808 |
| 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 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.
Frequently asked questions
How does it humidify without water?
A heat-and-moisture-exchange membrane captures moisture from your exhaled breath and returns it on your next inhalation — no water, no power.
How many are in this pack?
Fifty.
What’s the difference between HumidX, HumidX Plus, and HumidX F20?
Standard HumidX is for AirMini nasal and nasal pillow setups; HumidX Plus gives more humidification for drier environments; HumidX F20 is the version for full face (AirFit F20) setups. They are not interchangeable.
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.
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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