60PCS CPAP ULTRA FINE FILTERS: Engineered to block the tiniest particles of dust to keep YOU & your CPAP machine healthier with every deep breath of the freshest airTHE AND FILTRATION: Each filter measures 2 1/8 inchx 1 7/16 inch to fit your machine precisely. Each filter is designed to block dust.SAFE & EASY BREEZY TO USE: Each filter for CPAP goes beyond filtering harmful mini contaminants. MADE of high-quality materials, our Ultra Fine 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.CLEAN AIR FOR HEALTHIER LIFE-Our filters are designed so as to provide you and your loved ones with the cleanest airWide scope of application: The size of CPAP filters fully fits most CPAP machines, including all S9 series, AirSense AirCurve & AirStart series CPAP & BiPAPs.Specification:Colour:WhiteMaterial:CottonSize:3.5x5.3 cmPackage Contents:60 x CPAP FiltersPlease be kindly noted, the listed product is produced and distributed abroad and subject to the laws of its country of origin.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.