100Pcs S9/S10 CPAP Disposable Universal Replacement Filters for AirSense FG05. 100% high-quality non-woven fabric. Each filter measures 53 x 35mm, precisely designed to fit compatible machines. Compatible with various CPAP devices, including AirSense 10, AirCurve 10, and S9 series CPAP machines. Features ultra-fine PM2.5 filtration layer that effectively captures dust particles and impurities, helping to ensure clean airflow during therapy. White filter material recommended for replacement every 1 to 2 weeks depending on usage. Helps maintain clean air delivery and supports overall respiratory hygiene by reducing exposure to dust, dirt, and airborne particles. Color: White. Material: Non-woven fabric. Size: Approximately 53 x 35mm. Package includes: 100 x Filter membranes. Light and display settings may cause slight variation in color between image and actual item. Measurement tolerance: +/- 1-3cm.