➤COMPATIBLE WITH VARIOUS MACHINES- If you are looking for the air filters for any of your Machines from M Series, PR System One Series, SleepEasy Machine, then you have landed the right place! | ➤THE PERFECT FILTRATION COMBINATION - 20 Pcs Reusable Black Foam Filters and 20 Pcs Disposable White Ultra Fine Filters. Include totally 40 Pcs air filters, replace your filter every two weeks is recommended, one set satisfy your whole year needs | ➤BLACK FOAM FILTER & WHITE ULTRA FINE FILTER - The reusable black foam filter is to block large particulate matter. The disposable white ultra fine filter is to block fine particles. Use them together to provide the cleanest air | ➤ENSURE CLEAN AIR - 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 | ➤BENEFIT OF CHANGING THE AIR FILTER - Protecting this investment will enable your machine to be used effectively for many more years, and you can save money in the long term through preventative measures.

➤COMPATIBLE WITH VARIOUS MACHINES- Premium Disposable filters compatible with AirSense 10 - AirCurve 10- S9-AirStart-Series Machines. Satisfying your whole year need. | ➤ECONOMICAL FILTER SET - One set satisfy your whole year needs. Replace your filter every two weeks is recommended. The consistent change of the filter can prolongs the quality of your machine. | ➤THE PERFECT FIT AND FILTRATION - E

➤COMPATIBLE WITH VARIOUS MACHINES- Premium Disposable air filters compatible with AirSense 10 - AirCurve 10- S9-AirStart-Series Machines. Satisfying your whole year need. | ➤ECONOMICAL HEPA FILTER SET - One set satisfy your whole year needs. Replace your filter every two weeks is recommended. The consistent change of the air filter can prolongs the quality of your machine. | ➤THE PERFECT FIT AND FILTRATION - Each filter measures 2 1/8"" x 1 7/16"" to fit your machine precisely. Each filter is designed to block fine particles and large particulate matter. | ➤BENEFIT OF CHANGING THE AIR FILTER - Protecting this investment will enable your machine to be used effectively for many more years, and you can save money in the long term through preventative measures. | ➤100% SATISFACTION GUARANTEE- Your Satisfaction is our Highest Priority. If you have any question with this item, please contact us without hesitation.

[PACKAGE CONTENTS]: These are the improved replacement tube assembly for AV which is more durable and flexible. | [DURABLE QUICK-RELEASE BUTTON（CLIPS）]: The quick-release button is made of durable material, easy to install, and has enough tension to prevent it from falling off. | [ROTATABLE PARTS INCREASE FLEXIBILITY]: Precisely designed and improved to preserve the original rotation positions, which relatively strengthens the flexibility, and effectively reduces the twisting and knotting. | [IMPROVED DESIGN]: The design structure of the original rotating part has been improved to be simpler, and then the material has been upgraded to be stronger and not easy to be pierced. | [NO ELBOW]: Only 2 pcs short tube , elbow connector not included