ResMed HumidX Plus Waterless Humidifier for AirMini
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Overview
HumidX Plus is the grey disc ResMed makes for very dry air, where the standard HumidX isn't quite enough. It sits in your AirMini mask connector and returns more of the warmth and moisture you breathe out, helping your nose and throat stay comfortable on flights and at altitude.
Like the blue disc, it needs no water and no power, so it adds nothing bulky to your bag. ResMed's guide expects you may need to switch levels as conditions change, so keeping both kinds on hand makes sense for anyone who travels often.
Key features:
- More humidity than standard: ResMed rates it above the blue HumidX, for rooms and trips where the air holds very little moisture.
- Included in mask packs: ResMed's AirMini mask packs come with one disc of each type, and these packs keep you supplied once that first HumidX Plus is used up.
- Same masks as HumidX: It fits the AirFit N20, AirTouch N20, AirFit N30 for AirMini and AirFit P10 for AirMini, in the same connector.
- Adjusts both ways: Droplets mean stepping back to the blue disc, while lasting dryness with a good seal points to a heated humidifier.
- Licensed in Canada: Plus appears on ResMed's Health Canada licence for the AirMini system, alongside the machine itself.
HumidX Plus suits AirMini users on a nasal or pillows mask who still wake up dry on the standard disc, or who travel somewhere dry. Pack it alongside a few blue discs and you'll have the right level ready wherever you sleep.
How it works
Fitting the grey disc
Twist the mask connector open and hold HumidX Plus by its sides, grey base pointing down toward the tube. Once it's seated, close the connector over it and turn until it locks.
Caring for it
It can't be washed, rinsed or soaked. Check it each day for dust or damage, keep it clean and dry when it's out of the connector, and remove it before you clean the mask.
Replacing it
Swap in a fresh disc once 30 days have passed since you opened the pack, however often you used it, and earlier if it's wet or blocked. A disc is for one person and is never shared.
What's included
- HumidX Plus waterless humidifiers (6, 3 or 1, by pack size)
Specifications
- Part number
- 38813 (pack of 6), 38812 (pack of 3), 38847 (single)
- Colour
- Grey base
- Fits
- ResMed AirMini
- Compatible masks
- AirFit N20, AirTouch N20, AirFit N30 for AirMini, AirFit P10 for AirMini
- Not compatible
- AirFit F20 and AirTouch F20 (use HumidX F20), AirFit F30
- Type
- Heat and moisture exchanger, waterless
- Humidity level
- Higher than standard HumidX
- Designed for
- Very dry air: dry climates, high altitude, aircraft cabins
- Power and water
- None needed
- Replace
- 30 days after opening the pack
- Cleaning
- Not washable, inspect daily
- Use
- Single patient, multiple use
- Health Canada licence
- 99052 (AirMini system)
Features and use
When to step up to Plus
ResMed's guide sets out a clear order. Start on the standard HumidX, get a good mask seal, then move to HumidX Plus if dryness or a blocked nose hangs on.
- Good seal but still dry or stuffy: switch to Plus
- Room gets more humid: you may need to switch back
Flights, altitude and dry climates
ResMed names an aircraft cabin and high altitude as the very dry air this disc is built for, which makes it the one to pack for a long overnight flight.
- Ask your airline about bringing medical equipment on board
- Keep each disc sealed until you're ready to use it
Droplets and too much moisture
In a room with ordinary humidity, Plus can be more than you need. If you wake to droplets on your face, in the mask or in the tube, ResMed's guide says to go back to the standard HumidX rather than stop humidification altogether.
- Make sure it's dry before you start
- Fit a fresh one if it gets wet
Masks that hold HumidX Plus
HumidX Plus works with the AirMini only, seated in the connector of ResMed's nasal and pillows masks for it. Full face users need a different part: the AirFit F20 and AirTouch F20 use HumidX F20, and the AirFit F30 has none.
- AirFit N20 or AirTouch N20
- AirFit N30 for AirMini
- AirFit P10 for AirMini
Extra humidity
HumidX Plus gives back more of your breath's moisture than the blue disc can. ResMed points to it when the regular version still leaves you waking with a dry nose or throat.
Dry environments
It's made for air that holds very little moisture, such as a dry climate or a high-altitude stay. Packing a few helps keep a dry trip from turning into a run of dry nights.
No tank
It runs on the warmth and moisture of your own breath, the same way the standard disc does. There's nothing to fill, drain or plug in, even on an overnight flight.
Colour coded
A grey base sets it apart from the blue standard disc at a glance. That helps when you carry both in one travel kit and need the right one in a dark room.
Common questions
How long does one HumidX Plus last?
ResMed says to replace it 30 days after opening its pack, even if you skipped some nights. Because the date counts from opening, six discs last one person roughly six months.
What's the difference between HumidX and HumidX Plus?
HumidX Plus adds more humidity. The blue disc is ResMed's everyday choice for most climates, and the grey Plus is for very dry air. Both fit the same masks, sit in the same spot and follow the same replacement schedule.
Can I use HumidX Plus on a plane?
Yes. ResMed names aircraft cabins as one of the dry settings Plus is meant for. Switch the AirMini to airplane mode before starting therapy on the flight.
Can I rinse HumidX Plus if it gets dusty?
No. ResMed says water affects how it performs, so it can't be rinsed, washed or soaked. Look it over each day, store it somewhere clean and dry, and swap in a fresh one if dust has built up.
Do I need humidification with my AirMini at all?
No. ResMed says the AirMini runs without any humidifier and calls humidification optional. Plus is for people who find the air too dry even with the standard disc in place.
Still dry on HumidX Plus. What now?
Check your mask seal first. ResMed says leak reduces how much moisture any HumidX can return, and the Mask Fit check in the AirMini app helps. If Plus still isn't enough, a machine with a heated water humidifier may be the better fit.
Need help?
Not sure it works with your equipment, or how it fits your nightly routine? Call or chat with our team before you order.