40 Packs CPAP Filters Foam Filter and Ultra Fine Filters Supplies for Respironics M Series for PR System One for SleepEasy Series Medihealer Premium Disposable Filter

COMPATIBLE WITH VARIOUS MACHINES Compatible with M Series for PR System One Series for SleepEasy THE PERFECT FILTRATION COMBINATION 20 Pcs Reusable Black Foam Filters and 20 Pcs Disposable White Ultra Fine Filters Include totally 40 Pcs 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 ENSURE CLEAN AIR Our filters are designed so as to provide you and your loved ones with the cleanest air 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