Perfect Fit for CPAP Machines: Specifically designed for ResMed S9 series, AirSense 10, AirCurve 10, and AirStart series CPAP & BiPAP machines. These ultra-fine filters ensure a seamless fit and function, enhancing your device's performance. Advanced Filtration Technology: Experience advanced air purification. Our CPAP filters are made from high-quality materials that effectively capture dust and particles, helping to deliver clean, contaminant-free air. User-Friendly Design: Easy-to-replace filters allow for quick and hassle-free maintenance. Designed for convenience, they can be changed without difficulty, providing fresh, clean air without chemical odors or irritants. Cost-Effective Solution: Maintain your CPAP machine efficiently with our value-packed replacement filters. The bulk quantity provides a long-lasting supply, ensuring you always have a filter on hand. Enhanced Breathing Comfort: Breathe easier and sleep better with high-performance CPAP filters that help reduce dust and allergens, supporting a cleaner and more comfortable breathing environment. Color: White Material: Cotton Package Contents: 40 x Filter