30 PREMIUM CPAP HYPOALLERGENIC FILTERS - Engineered to block the tiniest particles of dust, allergens & pollen to keep YOU & your CPAP machine healthier with of the freshest THE - Great news: for your peace of mind, the size of CPAP filters fully fits CPAP machines, including all S9 series, AirSense AirCurve & AirStart series CPAP & BiPAPs. SUPER SAFE & EASY BREEZY TO - Each filter for CPAP goes beyond filtering harmful mini contaminants. MADE of high-quality materials, our Hypoallergenic Filters are extremely safe and Bisphenol-A free. You'll easier than ever without running the risk of exposing your lungs to any type of allergies. No chemical smells either. Just beautifully designed filters are extremely easy to change, replace or dispose of. EASY - Fits machines, just replace filter 3-4 weeks to a , healthy . colour: white Material: cotton size: 5.3 x 3.5cm Package Contents: 1 set x 30 filter cotton Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.