- UK stock, dispatched from Leeds
ResMed HumidAir 11 Standard CPAP Water Tub - Ref. 39100
Price shown excludes VAT.
VAT relief available on this product
Eligible customers can claim VAT relief on this product at checkout.
Price shown excludes VAT.
VAT relief available on this product
Eligible customers can claim VAT relief on this product at checkout.
VAT relief applied — no VAT will be charged at checkout.
Frequently bought together
Add the whole set in one go.
ResMed ClimateLineAir 11 - Ref. 39102
£49.99
ResMed AirSense 11 Supplies Bundle
£109.99
- Brand
- ResMed
- Category
- CPAP Machine Accessories
- SKU
- COC058701
- Options
- 2 to choose from
ResMed HumidAir 11 – Standard Water Tub for AirSense 11 CPAP
The ResMed HumidAir 11 Standard Water Tub is a genuine replacement humidifier chamber engineered for the AirSense 11 CPAP series. Designed with durable, medical-grade plastic and a precision silicone seal, the ResMed HumidAir 11 tub ensures consistent humidification, helping maintain comfort and performance throughout nightly therapy.
Its simple, hand-washable design makes maintenance quick and effective. Easy to remove, refill, and reinstall, this replacement water tub supports long-term device reliability while maintaining consistent moisture output for optimal therapy results.

Key Features of the ResMed HumidAir 11
-
Authentic Replacement: Designed specifically for the ResMed AirSense 11 CPAP system.
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Durable Construction: Made from medical-grade plastic with a tight silicone seal to prevent leaks.
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Consistent Humidification: Maintains stable moisture levels for greater comfort.
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Easy Maintenance: Simple to remove, refill, and clean by hand (not dishwasher safe).
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Long-Lasting Performance: Replace every 6–12 months for optimal results.
Why Choose the ResMed HumidAir 11
Built for reliability and ease of use, the ResMed HumidAir 11 Standard Water Tub provides consistent humidification, simple cleaning, and a perfect fit for your AirSense 11 CPAP. With its sturdy construction and long service life, it’s the trusted choice for maintaining comfort and protecting your device’s performance.
Technical specifications
- Brand
- ResMed
- Model/SKU
- 39100
- Compatibility
- AirSense 11 CPAP devices
- Type
- HumidAir 11 Standard Water Tub
- Material
- Medical-grade plastic with silicone seal
- Cleaning
- Hand-wash only; air dry
- Certification
- CE marked, EU MDR compliant
- Replacement Interval
- 6–12 months
Specifications can change without notice. Ask us for the current technical file.
Shipping
Ordered before 1pm Monday to Friday, dispatched the same working day from Leeds. Deliveries run Monday to Saturday, never Sunday.
UK mainland, light items: 1 to 2 working days. Heavy and bulky: 2 to 4 working days.
Customs and duties
International orders ship on a Delivered At Place basis. Import duty, local tax and customs clearance fees are charged by the destination country and are the buyer's responsibility.
Warranty
This item is brand new and comes with the manufacturer's warranty.
Returns and refunds
- UK orders: 14-day change of mind. Tell us within 14 days of delivery at info@cpapsupply.co.uk or on +44 780 264 4820 and we send you a returns reference. Return postage is paid by you.
- Unopened and sealed items are refunded in full, including the standard delivery you paid.
- Hygiene items (masks, cushions, nasal pillows, headgear, tubing, filters, chinstraps, water chambers, wipes and anything that touches the airway) cannot be returned once the seal is broken, even if unused.
- Opened machines and devices: up to 40% is deducted if only opened to inspect, and up to the full price if used, as a used medical device can no longer be sold as new.
- Faulty or not as described? Tell us within 30 days for a full refund, and we pay the return postage. After that, it is repaired or replaced under the warranty.
- International orders follow different rules because of customs: see the International Orders section of our policy.
Read the full returns and warranty policy
This does not affect your statutory rights.
Information on this page is provided for guidance and does not replace advice from a qualified clinician. Always read the manufacturer's instructions before use, and check that a device is suitable for the patient and the prescribed therapy.
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