Standard Water Chamber for AirSense™ 11 Humidair™ Heated Humidifier

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AirSense 11 Standard Water Chamber Overview for Humidair Heated Humidifier 


The AirSense 11 Water Chamber, a replacement product specially designed for the AirSense 11 from ResMed, is a removable water tub with active heated humidification. Easy to fill and clean, the AirSense 11 Water Chamber is convenient and just what you need for consistently comfortable and easy sleep. 

What to Know:

  • Made with durable components
  • Comes with a three-month warranty
  • Use distilled water for optimal humidification
  • Replacement reminders when you coordinate your CPAP machine
  • Avoid using oils or perfumes to maintain excellent humidification output 

Made with Durable Components 

The AirSense 11 Water Chamber has a maximum capacity of 380 mL. To prevent your mask and tubing from filling with water, use the device on a level surface lower than the placement of your head.

What's It Made Of?

  • Injection-molded plastic 
  • Stainless steel
  • A silicone seal 

Three Month Warranty 

You should change your water chamber approximately every six months or at the first sign of cracks or leakage. For your reassurance, each water chamber you purchase comes with a 90-day warranty

Prolong Your Water Chamber's Lifespan

The AirSense 11 Water Chamber is simple to care for, but following a few essential steps will ensure your water chamber lasts as long as intended. 

  1. Use room-temperature distilled water: Distilled water ensures the best humidification results and longer-lasting equipment. Tap water contains more minerals than distilled water which may cause mineral build-up and deterioration of your equipment. 
  2. Clean chamber regularly: Wipe your chamber daily with a clean, disposable cloth. Let it dry out of direct sunlight. 
  3. Avoid using oils or perfumes: Additives such as oils and perfumes could also cause premature deterioration of your equipment and reduce humidification output.  

Set Replacement Reminders When You Coordinate Your CPAP Machine 

Using coordinating CPAP machines and equipment allows you to set replacement reminders. For example, if you use an AirSense 11 device, you can use the Humidifier Set function to set a recurring notification to remind you to replace the water tub.

What's Included:

  • One (1) Standard Water Chamber



Product Length: 6 inches

Product Width: 5.5 inches

Product Height: 3.5 inches

Product Weight: 0.484 lbs