100Pcs S9/S10 CPAP Disposable Universal Replacement Filters for AirSense FG05 1. 100pcs pack, made of 100% high-quality non-woven fabric. 2. Each filter measures 53 x 35mm, precisely designed to fit compatible devices. 3. Compatible with various CPAP machines, including AirSense 10, AirCurve 10, and S9 series models. 4. Features ultra-fine filtration material that helps capture fine dust particles, including those at the PM2.5 level, helping to deliver cleaner air during therapy. . Disposable design helps reduce airborne particles. Effectively filters fine particulate matter from the incoming air. White filter material is recommended to be replaced every 1 to 2 weeks depending on usage and environment. Helps maintain cleaner airflow and may assist in reducing exposure to dust, dirt, and other airborne contaminants. Specification: Color: White Material: Non-woven fabric Size: Approximately 53 x 35mm Package Contents: 100 x Filter membrane Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3cm.