General description These 100 disposable universal replacement filters are designed for use with AirSense 10, AirCurve 10, and S9 series CPAP machines. Made from high-quality filter cotton, they provide effective filtration to enhance your sleep therapy experience. Technical specifications Condition: 100% new Material: Filter cotton Size: 53 x 35 mm Features: Acid and resistance, good heat resistance, large dust holding capacity, good gas permeability, effective filtration of PM2.5 ultrafine dust, flame retardant, water absorption Compatibility and accessories Compatible with: AirSense 10, AirCurve 10, and S9 series CPAP machines Package Contents: 100 x filter cotton