20Pcs CPAP Filters Disposable Filter Replacement Air Accessories Easy to Install Compatible for ResMed S10 S9

QUALITY FILTRATION: The filter is made of ultra-fine spun fiber cotton, safe, odorless and can filter effectively. EASY TO USE: Designed for quick and easy replacement, these filters are disposable and cannot be washed or reused. KEEP THE AIR CLEAN: Each filter effectively blocks fine particles, dust, and pollen, fresher air and improving respiratory health. PROTECT YOUR MACHINES: Filter replacement can extend the life of your machine, and ensuring reliable operation. WIDE COMPATIBILITY: CPAP filter 2.1" x 1.4", fits most CPAP machines including S9 series, AirSense 10, AirCurve 10 and AirStart series.