100Pcs S9/S10 CPAP Disposable Universal Replacement Filters for AirSense FG05. 100pcs per bag, made of 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 technology that effectively captures dust particles at the PM2.5 level, helping to ensure clean airflow during therapy. White filter material is designed for disposal and replacement every 1 to 2 weeks depending on usage. Helps maintain clean lungs and reduces exposure to dust, dirt, and other airborne particles. Color: White. Material: Non-woven fabric. Size: Approximately 53 x 35mm. Package includes: 100 x Filter membranes. No other items included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3cm.