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 unexpectedly. 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 Note: The actual product may have slight color variations due to lighting and display differences, which do not affect use. Measurement error allowance is +/- 1-3 cm.