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ResMed HumidAir 11 Standard CPAP Water Tub - Ref. 39100
£49.99
This item
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.

Authentic Replacement: Designed specifically for the ResMed AirSense 11 CPAP system.
Durable Construction: Made from medical-grade plastic with a tight silicone seal to prevent leaks.
Consistent Humidification: Maintains stable moisture levels for greater comfort.
Easy Maintenance: Simple to remove, refill, and clean by hand (not dishwasher safe).
Long-Lasting Performance: Replace every 6–12 months for optimal results.
| Specification | Details |
|---|---|
| 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 |
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.
Specifications can change without notice. Ask us for the current technical file.
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.
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.
Unopened items can be returned within 30 days of delivery. Tell us before you send anything back so we can give you a returns reference.
Opened items that touch the airway cannot be returned for hygiene reasons unless they are faulty.
This does not affect your statutory rights.
Refunds are issued to the original payment method once the returned item reaches us and has been checked, normally within five working days.
Faulty items are refunded in full, including the delivery you paid.
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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