Features:-If you are looking for the perfect disposable CPAP air filters for any of your CPAP Machines from AirSense 10 and AirCurve 10 to S9 Series CPAP, then you have landed the perfect place Dont hesitate and buy these filters-Each filter is a combination of material engineered to block fine particles and large particulate matter, so you can breathe easy.-Our filters are designed so as to provide you and your loved ones with the cleanest air to maintain the health of your lungs and keep the potential diseases away from you-Just to be given 1 or 2 filters a month. Order 20 filters and be able to change them frequently to live a healthy safe life styleProduct Size: 5.3 x 3.5cmThickness:1.5mmMaterial:100% natural cottonPackage Includes:10/20/50/100Pcs Universal Replacement Filters Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it