General description These 100pcs S9/S10 CPAP Disposable Universal Replacement Filters are made from 100% high-quality non-woven fabric. They are designed to provide ultra-fine filtration, effectively blocking PM2.5 fine particles and ensuring clean air for your CPAP machine. The filters are compatible with various CPAP machines, including AirSense 10, AirCurve 10, and S9 models. Technical specifications Color: White Material: Non-woven fabric Size: 53 x 35 mm Package Contents: 100 filters Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace 1-2 filters per month to maintain optimal air quality and protect your lungs from dust and other harmful particles. Other information Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.