Keep your therapy clean and effective with the right filters for your IntelliPAP or IntelliPAP 2 CPAP machine. The reusable filter comes standard with your device, while the disposable fine filter offers an additional layer of protection. Reusable Gray Foam Filters (Required) These standard filters come with your IntelliPAP machine and must be used for proper operation. Check your reusable filter every 10 days and rinse with warm water when it appears dirty. Allow it to dry completely before reinserting. For optimal performance, replace your reusable filter every 6 months, even with regular cleaning. Available Options: Single filter 2-Pack (1-year supply) Optional Disposable White Fine Filters Add an extra layer of protection with these ultra-fine filters made of polypropylene and acrylic fibers. They work alongside your reusable filter to capture even the smallest particles—perfect if you have allergies, live in a dusty environment, or want maximum air purification. Replace monthly for best results. Available Options: Single filter (1-month supply) 6-Pack (6-month supply) Why Using Both Filters Matters The reusable filter protects your machine from larger particles while the optional fine filter captures smaller allergens and irritants. This two-stage filtration provides comprehensive protection for both your device and your airways. Make filter maintenance effortless with our Subscribe & Save program. Get your replacement filters delivered on a schedule that works for you and enjoy free shipping plus 10% savings AND bonus rewards points on every subscription order. Manufacturer Part Numbers: DSP1035, REU1006, REU1007, DSP1036