6 Pack of Disposable Fine Filters for DreamStation 2 CPAP Machines – Cardinal Sleep
Inline Bacteria Filter - 2 pack, Inline Bacteria Filter provides another level of air filtration as the air leaves the CPAP machine By AG Industries - Walmart.com
Order the Generic Cartridge Filter Kit for the SoClean2 by CPAPhero | CPAP Supplies
Filters for Nebulizer Therapy Machine | GVS
Universal In Line Bacteria Filter for CPAP/ BiPAP – iSleep