For CPAP Machines: Specifically designed for S9 series, AirSense 10, AirCurve 10, and AirStart series CPAP & BiPAP machines. These ultra-fine filters provide a seamless fit and function, enhancing your device's performance. Advanced Filtration Technology: Experience the ultimate in air purification. Our CPAP filters are crafted from premium materials that excel in capturing dust and particles, ensuring the air you breathe is exceptionally clean and free from contaminants. User-Friendly Design: Change filters effortlessly with our easy-to-use replacement filters. They are engineered for simplicity, allowing you to replace or dispose of them without hassle. Enjoy a breath of fresh air without any chemical odors or irritants. Cost-Effective Solution: Keep your CPAP machine running efficiently with our bulk pack, providing a long-term supply of quality filters so you never have to worry about running out. Enhanced Breathing Comfort: Breathe easier and sleep better with our high-quality CPAP filters. They filter out dust and particles, contributing to a healthier breathing environment for more comfortable and restful sleep. Color: White. Material: Cotton. Package Contents: 40 x Filter. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.