ResMed AirSense 11 Replacement Parts: Filters, Tubing, Water Chambers & More

Aug 15, 2026

The ResMed AirSense 11 is one of the most widely used CPAP machines today, and like any CPAP device, it relies on the right supplies to deliver effective therapy. While the machine itself is long‑lasting, parts such as filters, tubing, and water chambers wear out over time and need regular replacement. At HelloSleep.ca, we help Canadians understand which AirSense 11 supplies are needed and how to choose the right replacements.

This guide breaks down all the key AirSense 11 parts, what each part does, which ones are replaceable, and what to look for when maintaining your setup.

AirSense 11 Filters

Filters clean the air before it enters your CPAP machine, trapping dust, pollen, and other particles to protect both your lungs and the device. The AirSense 11 uses two main types of filters:

Standard filters are the most commonly used and do a good job at blocking general dust and particles. Hypoallergenic filters are more tightly woven and designed to capture finer particles, making them a better option for people with allergies, asthma, or sensitivities to dust.

Replaceable: Yes. Find replacement AirSense 11 Filters here.

Two ResMed AirSense 11 Filters

Filters are one of the most frequently replaced parts. A dirty filter can restrict airflow, reduce performance, and cause the machine to work harder. If you live in a dusty environment or have allergies, hypoallergenic filters may be worth using more regularly.

AirSense 11 Tubing

Tubing carries pressurized air from the machine to your mask. The AirSense 11 supports two main tubing options:

Standard SlimLine tubing is lightweight, flexible, and works well for most users in stable room temperatures. It’s a simple and reliable option for everyday use.

ClimateLineAir is heated tubing designed specifically for the AirSense 11. It helps maintain a consistent air temperature and works with the humidifier to reduce condensation (also known as rainout). This is especially helpful if you experience dryness, cold air, or buildup inside the hose. When to use each:

Use SlimLine tubing if you prefer a lighter setup and don’t have issues with dryness or condensation
Use ClimateLineAir tubing if you want more comfort, better humidity control, and less moisture buildup

Replaceable: Yes. Find replacement AirSense 11 Tubing here.

Coiled grey and clear ClimateLineAir 11 heated tube for the AirSense 11

Tubing should be replaced if it becomes stiff, damaged, or develops leaks, as this can affect pressure and increase noise. Learn more about comfort benefits in What Are The Benefits of a Heated CPAP Tube?

AirSense 11 Humidifier Water Chamber

The AirSense 11 includes a built‑in humidifier that uses a removable water chamber to add moisture to the airflow and prevent dryness. There are two types of water chambers available:

The standard water chamber is designed for regular daily use. It’s easy to remove and refill but should not be taken apart. Over time, it may develop mineral buildup or wear.

The cleanable water chamber can be opened for deeper cleaning. It is designed to be more durable and easier to maintain over time, making it a good option for users who want to wash their chamber more thoroughly or extend its lifespan.

Replaceable: Yes. Find replacement AirSense 11 water chambers here.

ResMed HumidAir 11 Cleanable Tub for AirSense 11 CPAP machine

Both types should be replaced if you notice cracks, leaks, or heavy buildup that cannot be cleaned. Regular use of proper water can help reduce buildup and extend the life of the chamber. For guidance, read Do I Have To Use Distilled Water With My CPAP Machine?

AirSense 11 CPAP Mask Compatibility

AirSense 11 works with most CPAP masks that use a standard 22 mm connection. This gives you flexibility to choose a mask that fits your comfort needs. Compatible mask types include:

If you’re unsure what to choose, start with A How‑To Guide: Choosing the Right CPAP Mask.

AirSense 11 Power Supply

The AirSense 11 uses a dedicated power supply designed for the device. Power cords and adapters can be replaced if damaged or lost. It’s important to use the correct power supply to avoid performance issues. Some users also use compatible backup batteries for travel or power outages. Find replacement AirSense 11 Power Supply here.

ResMed AirSense 11 power supply unit pictured in use with the AirSense 11 device greyed out

Non Replaceable Parts

The non-replaceable components of the AirSense 11 are the internal motor, which generates the airflow used for CPAP therapy, and the machine electronics, which control pressure delivery, therapy settings, and overall device operation. Regularly replacing your CPAP supplies can help protect these internal components by reducing strain on the machine and maintaining proper airflow. With proper care and maintenance, these non-replaceable components are typically designed to last 3 years or longer.

Tips for Maintaining Your AirSense 11 Parts

Simple daily maintenance habits can help improve both the comfort and performance of your CPAP therapy. This includes regularly cleaning, inspecting, and replacing consumable parts every 1–3 months as needed. Be sure to check for signs of wear, buildup, cracks, or residue that could affect performance or hygiene. For more detailed care instructions, see Cleaning and Caring for Your CPAP Equipment.

Summary

AirSense 11 supplies play a key role in keeping your CPAP therapy comfortable and effective. While parts like filters, tubing, and water chambers wear out over time, they are all replaceable and easy to maintain. By staying on top of supply replacement and choosing the correct parts for your device, you can improve airflow, reduce issues, and keep your therapy running smoothly.

AirSense 11 Supplies: Frequently Asked Questions

What supplies do I need for the AirSense 11?
You need filters, tubing, a water chamber, a CPAP mask, and a power supply. All except the mask will come with an AirSense 11 purchase.

Are AirSense 11 supplies interchangeable with AirSense 10?
Some items like masks and standard Slimline tubing are compatible, but water chambers, filters and heated tubing are not.

How often should I replace AirSense 11 supplies?
It depends on the part, but filters are replaced most often, followed by tubing and water chambers. At the very minimum, twice yearly.

Do I need a special mask for the AirSense 11?
No. Most CPAP masks with standard connections will work.

What happens if I don’t replace my CPAP supplies?
Worn supplies can lead to poor airflow, increased noise, and reduced therapy effectiveness.

Tags: CPAP Therapy Education

Share:

Making CPAP More Affordable

We offer Member Pricing discounts and exclusive promotions.

View Offers

Shop by Category

View All Collections

Bundles

CPAP Masks

Set of different sized CPAP mask cushions against a dark blue background

CPAP Mask Supplies

Resmed AirSense 11 CPAP machine against a dark blue background

CPAP Machines

CPAP Machine Parts

CPAP machine air filter against a dark blue background

CPAP Bestsellers

Related Blog Posts

AirSense 10 AutoSet: Replacement Parts and Accessories

Aug 27, 2026

The ResMed AirSense 10 has been a trusted CPAP machine for many years, known for its durability, consistent performance, and simple interface. Like any CPAP setup, it relies on a set of replaceable supplies to keep therapy working properly night after night. At HelloSleep.ca, we help Canadians understand which AirSense 10 supplies matter most and how to keep them working at their best. This guide explains the key AirSense 10 components, what they do, which parts need replacing, and how to stay ahead of common issues caused by worn supplies. Why AirSense 10 Supplies Need Regular Replacement Over time, CPAP supplies wear down from daily use, cleaning, and exposure to air and moisture. When these components begin to break down, users often notice changes in comfort and performance. Common signs include: Weaker airflow or inconsistent pressure Increased machine or mask noise Dryness despite using a humidifier Visible wear, discoloration, or buildup Many of these problems are not related to the machine itself, but rather to older supplies that need replacing. AirSense 10 Filters The AirSense 10 uses a rear-mounted air filter to prevent dust, allergens, and particles from entering the machine. This helps protect both the user’s air quality and the internal motor. Two types are commonly used: Standard filters Hypoallergenic filters Standard filters capture basic dust and debris, while hypoallergenic filters are designed to trap finer particles like pollen and smoke. For users with allergies or pets, hypoallergenic filters are often the preferred choice. Replaceable: Yes. Find replacement AirSense 10 Filters here. Filters are not reuseable and require regular replacement, especially in homes with dust, pets, or seasonal allergens. A clogged filter can restrict airflow and reduce overall machine efficiency. AirSense 10 Tubing The AirSense 10 connects to your mask through flexible air tubing, which delivers pressurized air during therapy. There are two main tubing options available: SlimLine tubing ClimateLineAir heated tubing SlimLine tubing is smaller and lighter than traditional CPAP hoses, making it easier to manage during sleep. It’s ideal for users who want a simple, low-profile setup. ClimateLineAir tubing includes built-in temperature control and works alongside the humidifier to regulate air warmth and prevent moisture buildup inside the hose. When deciding between them: Use SlimLine tubing if you prefer a lightweight option and do not experience dryness or condensation. Use ClimateLineAir tubing if you want consistent humidity, warmer airflow, and less risk of rainout. Replaceable: Yes. Find replacement AirSense 10 Tubing here. Tubing should be replaced if it becomes stiff, develops small cracks, or produces more noise than usual. Learn more in CPAP Supplies: Filters, Tubing, Water Tanks. AirSense 10 Humidifier Chamber Moisture plays an important role in CPAP comfort, and the AirSense 10 includes a built-in humidifier with a removable water chamber. There are two main versions available: Standard chamber Cleanable chamber The standard version is designed for everyday use and is not meant to be opened. It is easy to refill but may show signs of wear or mineral buildup over time. The cleanable version can be taken apart for more thorough cleaning, making it a better option for users who want more control over maintenance or longer-lasting durability. Replaceable: Yes. Find replacement AirSense 10 water chambers here. If you notice cloudiness, scaling, leaks, or cracks, the chamber should be replaced. Proper water use can help extend its lifespan. For more, see Do I Have To Use Distilled Water With My CPAP Machine? Mask Compatibility with AirSense 10 The AirSense 10 is compatible with most CPAP masks that use a standard 22 mm connection. This allows you to choose from a wide range of mask styles based on comfort rather than device limitations. Compatible mask types include: Full face masks Nasal masks Nasal pillow masks Choosing the right mask is critical for comfort and compliance. Start with A How‑To Guide: Choosing the Right CPAP Mask if you're unsure. Power Supply and Connections The AirSense 10 uses a dedicated power supply that converts standard electrical input into the correct output for the machine. Power cords and adapters are replaceable if damaged, lost, or worn out. It’s important to use the correct part designed for the AirSense 10 to avoid performance issues. Some users also pair the device with compatible backup batteries for travel or emergency use. Read our blog CPAP Batteries Explained and learn the different ways it can be used. Non Replaceable Components Like most CPAP machines, the AirSense 10 has internal parts that cannot be replaced individually. These include the motor and internal electronics that control airflow and therapy settings. These components are designed to last several years, typically 3 to 5 years or longer with proper care. Maintaining your supplies helps reduce strain on these internal parts and extend the overall life of the device. Tips for Maintaining AirSense 10 Supplies Good maintenance habits can prevent many common CPAP issues and improve long-term comfort. Replace filters regularly to maintain clean airflow Check tubing for wear or buildup Clean your water chamber frequently Watch for changes in performance or comfort For full maintenance details, see Cleaning and Caring for Your CPAP Equipment. Summary The AirSense 10 depends on a set of key supplies to deliver reliable CPAP therapy. Filters, tubing, and water chambers are all replaceable parts that wear out with regular use. By understanding how each component works and replacing them when needed, you can maintain consistent airflow, improve comfort, and extend the life of your machine. AirSense 10 Supplies: Frequently Asked Questions What supplies are needed for the AirSense 10?You will need filters, tubing, a water chamber, a CPAP mask, and a compatible power supply. Can I use AirSense 11 parts on the AirSense 10?Some items like masks and basic standard or slimline tubing may work, but water chambers, filters, and heated tubing are specific to each model. How often should supplies be replaced?Filters are replaced most frequently, followed by tubing and water chambers. Most users replace key parts at least every 3-6 months. Do I need special masks for the AirSense 10?No. Most masks with a standard connection will work with the device. What problems happen if supplies are not replaced?Worn supplies can cause leaks, airflow issues, increased noise, and reduced therapy effectiveness.