Designed for perfect compatibility with for Airsense 11 Series machines, including the AirSense 11 autoset, ensuring hassle-free replacement. Constructed with premium safety materials, these filters are made from superior woven synthetic material that is chemical-free and safe. Advanced filtration technology effectively captures fine particles, dust, pet dander, and other airborne irritants for cleaner air. Easy to use and replace, supporting consistent therapy with ; recommended replacement every two weeks for optimal performance. These ultra-fine filters are engineered to maintain the efficiency of your therapy. They enhance your breathing environment, allowing you to breathe more comfortably and confidently with cleaner, fresher air. Regular replacement helps extend the lifespan of your machine. Color: White Material: Cotton Package Contents: 90*filter Only the above package content, other products are not included. Note: Light reflection 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.