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Transcend AirMist HME 4Pk

(19 reviews)
$14.50
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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

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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 505014
Dimensions 9x4.5x2
Tax Category Therapy Accessories
Billing Code E1399 (Misc. Product)
4.6
Rated 4.6 out of 5 stars
Based on 19 reviews
Total 5 star reviews: 16 Total 4 star reviews: 0 Total 3 star reviews: 2 Total 2 star reviews: 0 Total 1 star reviews: 1
84%would recommend this product
Customers Talked About
19 reviews
  • AF
    Arthur F.
    Flag of United States
    1 month ago
    Rated 5 out of 5 stars
    The picture (creatively included with

    The picture (creatively included with this survey) is inaccurate, showing the HME receptacle in addition to the HME cartridges themselves. When I received my order (which was useless due to my not having the receptacle pictured required to use the HME cartridges) I reached out, and your staff overnighted the receptacle so I was able to use it prior to my trip. Thank you! (But please fix the picture so this unfulfilled expectation doesn't happen to anyone else!)

  • IR
    Iris R.
    Flag of United States
    1 month ago
    Rated 3 out of 5 stars
    My husband tried it with

    My husband tried it with the airtouch F20 and while it attaches well, he feels

    It’s too bulky to use since it attaches to the face mask and is right in front of his face. I haven’t been able to use it with the nasal pillow N30i because of its overhead connection. Hard to find a nasal pillow without the 12inch tubing. So we’re not using the airmist. I hope they come up with a smaller better system.

  • CB
    Christine B.
    Flag of United States
    2 months ago
    Rated 3 out of 5 stars
    These seemed to work fairly

    These seemed to work fairly well

  • RK
    Robert K.
    Flag of United States
    2 months ago
    Rated 5 out of 5 stars
    I am getting used to

    I am getting used to the product. I am sure it will be fine.

  • CN
    Charles N.
    Flag of United States
    2 months ago
    Rated 5 out of 5 stars
    works as well as water

    works as well as water humidifier