?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
?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
?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.