Skip to product information
#N/A
  • #N/A
  • short demo video showing how the transcend airmist hme waterless humidifier housing comes apart and reassembles.
  • Breakdown shot of transcend airmist hme showing hard plastic shell housing and replaceable cartridge.
  • Transcend AirMist HME
  • Transcend AirMist HME
  • graphic calling out the benefits of cpap.com subscribe and save - automatic deliveries, save 10%, get free shipping plus double rewards points on every subscription order.
  • #N/A
  • short demo video showing how the transcend airmist hme waterless humidifier housing comes apart and reassembles.
  • Breakdown shot of transcend airmist hme showing hard plastic shell housing and replaceable cartridge.
  • Transcend AirMist HME
  • Transcend AirMist HME
  • graphic calling out the benefits of cpap.com subscribe and save - automatic deliveries, save 10%, get free shipping plus double rewards points on every subscription order.
Transcend AirMist HME
Transcend

Transcend AirMist HME

(50 reviews)
$21.95
Type
Size

Free Shipping Over $50

Price Match Guarantee

Traveling with the Transcend Micro can mean dry air in unfamiliar climates. The Transcend AirMist HME packs add waterless humidification to your therapy by using an HME (Heat Moisture Exchanger) that returns moisture from your exhale to your next inhale—so you stay comfortable without a bulky water chamber. Pair it with the compact Transcend Micro Auto Travel CPAP Machine for a streamlined, carry-on friendly setup.

  • Waterless comfort: Moisturizes incoming air using your own breath humidity.
  • Easy install: Adapter sits between the hose and mask for quick setup.
  • Travel-friendly: No distilled water; cartridges pack flat and light.
  • Hygienic use: Disposable HME cartridges; fresh start every few days.
  • Clear fit rules: Works with standard 22mm hoses; not for masks with short tubing/top-of-head connections.

Manufacturer Product Number: 505014, 505030, 505009, 505015, 505016

What's included

AirMist HME Plastic Housing

(2) AirMist HME Cartridges

Prescription Policy

Federal law requires we have valid prescription before this product can ship.



Don't have a prescription? Our CPAP Guides have helped over 2.3 million people with one-on-one service. 



Already have a prescription? Great. You can upload it after checkout.
#N/A

Waterless humidity for Transcend Micro travel therapy

Travel‑ready humidity

Keep your travel therapy comfortable—without packing distilled water. Transcend AirMist HMEs use the humidity from your exhaled breath to moisten incoming air. Choose a starter pack if you need the adapter, or a refill pack when you already have one. Cartridges are disposable for hygienic therapy.

  • Waterless humidification for Transcend Micro
  • Quick install between hose and mask
  • Disposable cartridges for clean therapy
  • Starter and refill options available

How AirMist works

AirMist is an HME (Heat Moisture Exchanger): it captures moisture from your exhale and returns it to your next inhale for more comfortable airflow. Setup and upkeep are straightforward.

  • Insert an HME cartridge into the AirMist Adapter.
  • Attach the adapter between your hose and mask.
  • Keep the adapter directly in front of your mask.
  • Replace each cartridge after 3–7 days.
  • Wash the adapter weekly with soap and water.

Setup and compatibility

The AirMist HME Adapter was designed for the Transcend Micro but works with any standard 22mm hose connection. AirMist HMEs won’t work with masks that have extended short tubing or top‑of‑head connections (e.g., AirFit P10, AirFit N20, ResMed Swift FX, AirFit F30i, DreamWear, etc.). The adapter must sit directly in front of your mask to capture moisture. Clean weekly; replace the adapter every three months.
Starter vs. Refill: Which to choose?

If you’re new to AirMist, pick a Starter Pack—it includes the required AirMist HME Adapter plus cartridges, so you have everything to begin waterless humidification.

Choose the 2 pack (one adapter + two HMEs) for a trial run or the 4 pack (one adapter + four HMEs) for extra days away.

Already have the adapter? Go with replacement cartridges, which provide replacement HME cartridges only.

Each cartridge is single‑user and should be disposed of after 3–7 days of use.

The adapter is washable weekly and should be replaced every three months to maintain performance.

Specifications
Product Model AirMist HME
Vendor Product Number 505030
Dimensions 6x5x2
Tax Category Therapy Accessories
Billing Code E1399 (Misc. Product)

FAQs about the Transcend AirMist HME

What masks can I use AirMist Waterless Humidification with?

AirMist HMEs are physically compatible with any standard CPAP mask and tubing setup with 22mm connection points.

AirMist HMEs are NOT compatible with AirMini setup pack masks and cannot function as a replacement for HumidX.

AirMist HMEs will NOT work well with masks that connect to tubing above the head (such as the AirFit P30i, DreamWear Masks, or AirTouch F30i) OR masks that connect to tubing via a short flexible tube at the front of the mask (such as the AirFit P10, Nova Micro, or AirFit F40).

AirMist HMEs (and other waterless humidifiers) are only effective for masks that connect to tubing directly in front of the face (such as the AirFit F30, AirFit F20, or ComfortGelBlue masks).

How does waterless humidification work?

Waterless humidification works by recycling moisture captured from the air you breathe out, back into your therapy air. For this reason, it is most effective when placed as close to the face as possible.

4.4
Rated 4.4 out of 5 stars
Based on 50 reviews
Total 5 star reviews: 40
Total 4 star reviews: 2
Total 3 star reviews: 3
Total 2 star reviews: 0
Total 1 star reviews: 5
84%would recommend this product
Customers Talked About
Reviews Summary
Customers say this product eliminates the need for distilled water when traveling, making it convenient and portable. Many appreciate that it reduces drying sensations and works effectively with their travel machine. Users find it easy to assemble and use. Some note the filters require frequent replacement and may not provide equivalent humidification to a water reservoir. A few mention compatibility concerns with certain mask types. Some customers experienced confusion about product contents versus pictures shown, though support resolved these issues.
Write a Review (Opens in a new window)
50 reviews
  • Charles R.
    Verified Buyer
    23 seconds ago
    Rated 5 out of 5 stars
    Small discs great at peventing dry mouth

    I was skeptical about the HME approach to humidification, bu t Transcend has it taken care of with these Discs as long as they are relatively close to the mask! (Not too distant from the exhalation, like many head attachment and soft pliable elephant like "trunks" that many of the more recent masls are equiped with.

    Was this helpful?
  • SANDY A.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    Very Satisfied With My Purchase

    Really happy with this purchase. The product quality is very good and it feels durable and well-made. Everything arrived safely and exactly as described. The ordering process was easy, and I’m satisfied with the overall experience. I would definitely consider buying from CPAP.com again.

    Was this helpful?
  • Fatima M.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    Best product

    I purchase airmist pack from cpap.com this is fast delivery

    Was this helpful?
  • Art B.
    Verified Buyer
    1 month ago
    Rated 1 out of 5 stars
    Disappointed

    Does not work

    Was this helpful?
  • MARIE H.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Convenience

    Just pop them in for humidity!

    Was this helpful?

Transcend AirMist HME

$21.95

Why cpap.com

We are experts in what we do!

25+ years of sleep apnea expertise, 2+ million masks personally fitted, and 500,000+ CPAP machines set to prescription. Our Sleep Specialists are here when you need them.

2.3+ million sleepers served since 1999

10,000+ five-star service reviews

USA Today Best Customer Service 2025

Call 1-800-356-5221

Smiling woman with a headset next to a customer service award badge.