Designed f Perfect Compatibility: These ultra-fine filters are precisely engineered to f Airsense 11 Series CPAP machines, including the AirSense 11 autoset. The exact fit ensures a hassle-free replacement, maintaining the efficiency of your CPAP therapy. Constructed with Premium Safety Materials: Crafted from superi woven synthetic material, these filters are chemical-free safe. They provide exceptional perfmance optimal air filtration, ensuring that your CPAP machine operates at its best. Advanced Filtration f Cleaner Air: Effectively capture fine particles, dust, pet der, other airbne irritants. These filters enhance your breathing environment, allowing you to breathe me comftably confidently with cleaner, fresher air. Ease of Use Regular Replacement: These filters are designed f quick easy usage replacement, suppting consistent CPAP therapy with . F optimal perfmance, replace the filters every two weeks to maintain cleanliness extend the lifespan of your machine. Col: White Material: cotton Package Contents: 40 filter Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.