AMAZING VALUE: This kit includes 2 reusable large particle filters, and 6 Ultra-fine filters.
GUARANTEED COMPATIBILITY: The filters kits are suitable for the DreamStation CPAP Device,and the size fits the machine perfectly.
A HEALTHY LIFE: High-quality filter material, Let you breathe fresh air and make your healthier life .
EASY to USE: Remove the old filter and put in the replacement new filter; you can use reusable large particle filters filter on its own or feel free to use a large particle filters and ultra-fine filters for a finer filtration.
100% Money-Back Guarantee of Satisfaction: If you don't think the filters is the BEST accessories you could possibly buy. please return it and accept a FULL REFUND with our sincere apologies.