40 pcs Reusable CPAP Foam Filters: 20 pcs black & 20 pcs whtite 30 PREMIUM CPAP FILTERS - Engineered to block the tiniest particles of dust, & pollen to keep YOU & your CPAP machine healthier with every of the freshest air!THE - Great s: for your peace of mind, the size of CPAP filters fully fits most CPAP machines, including all S9 series, AirSense AirCurve & AirStart series CPAP & BiPAPs. SUPER SAFE & EASY BREEZY TO USE - Each filter for CPAP goes beyond filtering harmful mini contaminants. MADE of high-quality materials, our Filters are extremely safe and Bisphenol-A free. You'll breathe easier than ever without running the risk of exposing your lungs to any type of allergies. No chemical smells either.Just beautifully designed filters that are extremely easy to change, replace or dispose of. PACK - MORE BANG FOR YOUR - Buying one or two Disposable CPAP Filters at a time is a waste of time and money. Plus, why risk running out of filters all the time? For a fraction of the cost, we help you live a healthier life AND save more money along the way. Upgrade your CPAP treatment! Order our super convenient pack of 30 Ultrafine CPAP Air Filters so you can replace them as often as you wish. Time to stock up & save up! EASY USE - Fits most machines, just replace filter every 3-4 weeks to a , healthy sleep. white Filters: colour:white Material:filter sponge size:5.3 x 3.5cm black Filters: reusable foam CPAP filters is suitable for (TM) M series (TM), PR System One (TM) and SleepEasy (TM) series machines. Sizes are fully compatible: no longer have to find the right size-our filter size is suitable for the applicable machine. Name: Filters Filtering effect: PM2.5 fine particle dust colour:black Material:sponge size:4.5 x 2.5cm Package Contents: 40 * Filters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.