52PCS CPAP Filters for Philips Respironics Dreamstation Filters Supplies Include 6 Assembled Filters for Philips Respironics Dreamstation Filter Accessories 20 Ultra-fine Filters plus20 Foam Filters

How to Use: Step 1: Insert disposable foam filter into the dark blue reusable filter frame, into the dark blue reusable filter frame. Step 2:Insert disposable fine filter into the light blue reusable filter frame. It's normal that fine filters are little larger for better holding in the frame. Step 3: Place light blue fine filter underneath dark blue foam filter with the slotted side facing up. Step 4. Line up the filters and press dark blue foam filter down to connect the two together.Then slide the combined filters into the machine. Warm Tips: ?1. With preassembled filter kit, you can use it directly. ? 2. Please keep these reusable filter frames after using. Assemble provided foam and fine filters into reusable filter frames for next use. ? 3. While replacing filter only need to replace used filter without discarding reusable filter frame. ? 4. Ensure that all edges align perfectly while inserting filters to frames. ?5. Slightly press every edge of fine filter into light blue filter frame for holding together firmly. ? 6. Plastic frame is reusable, but replace when it is broken/loose/aging. ?7. To ensure optimal operation,replace your filter every month or sooner is recommended. Or replace timely if it appears dirty. ? 8. These filters are disposable and not meant to be cleaned, but rather replace and discard when dirty. ? 9. It's normal that light blue filter may not hold firmly to dark blue filter. But these filters can be held together well when installed into the machine. ?10. If you have any questions, please feel free to contact us, we will try our best make you satisfied! Package Include: 6 x well Assembled Filters 20 x foam filters 20 x ultra fine filters