50PCS CPAP Filters for Philips Respironics Premium Foam Filter and Ultra Fine COMPATIBLE & PERFECT FIT WITH VARIOUS SLEEP EQUIPMENT MACHINES: Fits All For Philips Respironics M Series, PR System One Series, SleepEasy Machine! Each filter to fit your machine precisely. PREMIUM QUALITY CLEANFLOW TECHNOLGY: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. KEEP YOUR MACHINE RUNNING LONGER AND MORE EFFICIENTLY: Only Do Our Filters Help Keep Your Lungs Clean, But It Also Prevents Dust, Dirt, and Other Buildups from Ente Your Motor. 50 PCS ECONOMICAL SET:Include 25 Pcs Reusable Black Foam Filters and 25 Pcs Disposable White Ultra Fine Filters, replace your filter every two weeks is recommended. But if you are in a particularly dirty or dusty environment, you may choose to replace your filters more often. This one set full satisfy at least one year needs. Name:CPAP Filters Type: For Philips CPAP Filters Colour:White + Black Material:Sponge Size:4.5x2.3cm/4.5 x 2.5cm Package Contents: 50 * filter cotton
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