➔ COMPATIBLE WITH VARIOUS MACHINES- If you are looking for the perfect disposable filters for any of your Machines from ResMed AirSense 10 and AirCurve 10 to S9 Series, then you have landed the perfect place! Don’t hesitate and buy these filters! | ➔ THE PERFECT FIT AND FILTRATION - Each filter measures 2 1/8" x 1 7/16" to fit your machine precisely. Each filter is a combination of material engineered to block fine particles and large particulate matter, so you can breathe easy. | ➔ CLEAN AIR FOR HEALTHIER LIFE - Our filters are designed so as to provide you and your loved ones with the cleanest air to maintain the health of your lungs and keep the potential diseases away from you | ➔ TIME IS VALUABLE Forget the ever so common & constant fight with insurance companies. Forget having to take your resmed card in to be read, just to be given 1 or 2 filters a month. Order 20 filters and be able to change them frequently to live a healthy safe life style!