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CPAP Filters

The cleaner your filters, the cleaner the air you breathe. Be sure to replace reusable filters every 6 months and fine filters every 30 days or when it begins to show wear. Use our replacement part finder to ensure you get the appropriate CPAP filters for your machine.

10 Pack Bacteria Filter

Combat allergies with an effective bacteria filter.

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View our expansive collection of CPAP filters

The ResMed AirTouch N20 Mask

Say goodbye to next-day red marks and hello to a personalized memory foam fit.

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Simply shop and save. No code necessary.

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Liviliti Paptizer

Kill 99% of Bacteria in 3 Mins.

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Zach was very helpful and able to describe how I could use the antibacterial filter with my CPAP machine. He knew every answer to my questions. Definitely great customer service at CPAP.com. They’re a great resource to have when my regular CPAP supplier “drops the ball” on getting my supplies to me on time!

Verified Customer

Aug 19, 2021

Called from Chicago for CPAP filters that were out of stock everywhere EXCEPT here because of the Phillips Recall. Great customer service, I will be a future buyer for sure!

Verified Customer

Jul 27, 2021

I was in dire need of some reusable filters for my CPAP machine. The customer service woman was patient and conscientious. She heard my needs and answered my questions and took my order and made it happen fast, next day delivery. I am a satisfied customer. Thank you CPAP.com!

Verified Customer

Oct 01, 2021

Very large selection and reasonable prices. I received my order 3 days faster than expected. The Customer service representative was great and was a huge help.

Verified Customer

Jan 20, 2021

Brandy made ordering CPAP Equipment fast and stress-free. She also was able to work with my budget and get me the best deal. Great customer service, will definitely be reordering in the future.

Verified Customer

Aug 19, 2020

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Shop Popular CPAP Replacement Filters

A clean air filter will prevent dust, pet hair, and other large allergens from entering your CPAP machine and airway. CPAP.com stocks replacement filters for popular ResMed CPAP machines.

A clean air filter will prevent dust, pet hair, and other large allergens from entering your CPAP machine and airway. CPAP.com stocks disposable and reusable filters for current and past Philips Respironics CPAP machines. Browse popular filter replacements below:

Inline bacteria filters add extra protection against bacteria, mold, and other microscopic germs responsible for respiratory infections. These disposable filters are installed between the air outlet and CPAP hose and can be ordered individually, in a pack of five, or in a pack of ten:

A clean air filter will prevent dust, pet hair, and other large allergens from entering your CPAP machine and airway. CPAP.com stocks disposable and reusable filters for current and past HDM CPAP machines. Browse replacement filters below:

A clean air filter will prevent dust, pet hair, and other large allergens from entering your CPAP machine and airway. CPAP.com stocks disposable and reusable filters for current and past Transcend CPAP machines. Browse air filters for our popular Transcend CPAP machines below:

A clean air filter will prevent dust, pet hair, and other large allergens from entering your CPAP machine and airway. CPAP.com stocks disposable and reusable filters for current and past CPAP machines from several brands. Browse air filters for our popular CPAP machines below:

Product image for Disposable Hypoallergenic Filters for AirSense™ 10, AirStart™ 10, AirCurve™ 10, and S9 Series CPAP Machines (6 pack)
$11.99 ResMed AirSense
10 Filters
  • Hypoallergenic Disposable Filters
  • For AirSense 10, Aircurve 10, and S9 Machines
Product image for Disposable Standard Filters for AirSense™ 10, AirStart™ 10, AirCurve™ 10, and S9 Series CPAP Machines (6 pack)
$7.49 $11.95 ResMed AirSense 10 Filters (Standard)
  • Standard Disposable Filters
  • For AirSense 10, AirCurve 10, and S9 Machines
Product image for Generic Disposable Fine Filters for AirMini Travel CPAP Machine (2 Pack)
$5.49 $7.99 ResMed AirMini Filters (2 Pack)
  • Disposable Fine Filters
Product image for ResMed AirMini Disposable Fine Filters (6 Pack)
$12.99 $18.50 ResMed AirMini Filters (6 Pack)
  • Disposable Fine Filters
Product image for AirSense™ 11 Disposable Hypoallergenic Filters (2 Pack)
$9.00 $11.00 ResMed AirSense 11 Filter Replacement
  • Hypoallergenic Disposable Filters
  • Recommended Replacement Schedule: Every 6 Months
Product image for Disposable Fine Filter for DreamStation Go CPAP Machines (6 Pack)
$19.99 $24.99 DreamStation
Go Filters
  • Disposable Fine Filter
Product image for Disposable White Filters for Respironics Remstar Lite, Remstar Plus, Remstar Pro, Remstar Auto, Bipap Plus, Bipap Pro 2, Bipap Auto, Bipap ST (6 Pack)
$11.95 Respironics
REMStar Filters
  • Disposable Filters
  • 6 Pack
Product image for Disposable White Fine Filters for PR System One, 60 Series and SleepEasy Machines (6 Pack)
$6.15 $11.95 Respironics System
One Filters
  • Disposable Filters
  • 6 Pack
Product image for Disposable Fine Filter for DreamStation Machines - 6 Pack (Replacement for Light Blue Disposable Filter)
$9.25 $10.95 DreamStation
CPAP Filters
  • Disposable Fine Filter
  • 6 Pack
Product image for Disposable Filter for Z1 and Z2 Travel CPAP Machines (6 Pack)
$16.95 Z1 and Z2 Filters (6 pack)
  • Disposable Filters
  • 6 Month Supply
Product image for Disposable White Fine Filter for Z1 and Z2 Travel CPAP Machines (1 Pack)
$3.25 Z1 and Z2 Filters (1 pack)
  • Disposable Fine Filter
  • 1 Month Supply
Product image for Somnetics Transcend 3 Filter Assembly
$6.00 Transcend
3 Filters
  • Reusable Filter
Product image for Transcend 365 miniCPAP Air Inlet Filter
$6.00 Transcend
365 Filters
  • Reusable Filter
  • Replace Every Six Months
Product image for Filter for Transcend Travel Machines
$5.50 Transcend Auto and Transcend miniCPAP Filters
  • Reusable Filter
  • Replace Every Six Months
Product image for Reusable Foam Filter for Luna CPAP Machines (1 Pack)
$4.95 Luna
CPAP Filters
  • Compatible With Luna APAP, Luna II APAP, Luna 2 QX Machines
  • Replace Every Six Months
Product image for Reusable Foam Filter for Luna CPAP Machines (1 Pack)
$4.95 Apex
XT Filters
  • Compatible With Apex, ComfortPAP, Puresom, and Zzz
  • Replace Every Six Months

Tips On CPAP Filter Maintenance

Learn more about CPAP filters and maintenance that can keep your machine running better for longer:

CPAP Filter Maintenance

When to Change Your CPAP Filter

Learn about CPAP filters and how often to replace them. Changing your CPAP air filter consistently can have a positive effect on the quality of your therapy.

CPAP Filter Replacement Guide
How To Clean Your CPAP Equipment?

CPAP Cleaning Guide

Learn how to clean your mask, cushion, headgear, and hose, and how keeping a clean CPAP helps you get the most out of your therapy.

How to Clean Your CPAP
How to Survive Spring Allergies with Your CPAP

Keep Allergies at Bay

Discover helpful tips to survive springtime allergies and get a great night's sleep regardless of Mother Nature's plans.

CPAP Allergies Guide
How to Use FSA for Your Eligible CPAP Supplies

Have FSA Funds?

Learn how you can use a Flexible Savings Account to buy CPAP equipment and which CPAP supplies are eligible.

FSA CPAP Guide

View More Guides

CPAP Filter Accessories

CPAP Aromatherapy Starter Kit
CPAP Aromatherapy

Add Essential Oils to Your Nightly Routine

First Defence Nasal Screens
First Defence
Nasal Screens

Protect Against Airborne Particles

NasoGel Spray
NasoGel Spray

Bring Hydrating Relief to Irritated Nostrils

NeilMed NasaMist All In One
NeilMed NasaMist All In One

Clear Your Sinuses

CPAP Cleaning Supplies Accessories
CPAP
Cleaning Supplies

Preserve Your Health and Equipment

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Common Questions

How often should you replace your CPAP filters? What is the difference between disposable and reusable filters? We've answered these and other common filter questions below.