CPAP filters for AirSense 100Pcs S9/S10 disposable replacement universal1. 100pcs bag, 100% high-quality non-woven fabric.<br> 2. -each screen measures 53 * 35mm, precisely matching your machine.<br> 3. Compatible with various CPAP machines, suitable for AirSense 10 and AirCurve 10 to S9 series CPAP<br> 4. Ultra- PM2.5 ultra-clean dust filter cotton, which can effectively filter extremely dust particles (PM2.5 level) in the , ensuring that you get clean and improve quality during the use of the ventilator.<br> new and high quality.<br> Disposable ultra- filter blocks particles.<br> Effectively filter PM2.5 particle dust in the .<br> White filter cotton is recommended to replace 1-2 pieces in 1 month.<br> Not only help you keep your lungs clean, but also prevent dust, dirt and other substances.<br> Specification:<br> Color: White.<br> Material: Non-woven<br> Size: About 53 * 35mm<br> Package Contents:<br> 100 * Filter membrane<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.