Check the listing for details. CPAP Air Filter Premium Disposable Replacement Filters for CPAP Machines 60 Pack. Condition: New with box. Listed at 17.99 USD. EnduriMed CPAP filters - The finest CPAP S11 FILTERS - Live and sleep better! Compatible with the ResMed Airsense 11—This high-quality S11 filter is an exact fit for the ResMed Airsense 11 CPAP machine, making it easy and convenient to change the filter. Compatible with the ResMed Airsense 11—This high-quality S11 filter is an exact fit for the ResMed Airsense 11 CPAP machine, making it easy and convenient to change the filter.Clean Air—This product ensures filtration of harmful microcontaminants in your ResMed 11 CPAP supplies, making sure the air you’re breathing is clean. This filter is thicker and more dense than many on the market, designed for superior filtration of microcontaminants.Safe—You can sleep easy knowing our CPAP filters are made of high-quality materials that are safe, free from chemicals and Bisphenol-A. They’re the perfect addition to your ResMed 11 CPAP supplies.Easy to Use—Our filter is designed to be a perfect fit with the ResMed Airsense 11 filters, making it easy and convenient to change the filter, whenever necessary.Saves You Money—This product includes 60 individual filters to use with your ResMed Airsense 11 supplies. That’s two years’ worth of filters!