With viral and bacterial filtration efficiencies of over 99.99+% the Hudson 1605 Universal Inline BV CPAP/BiPAP Filter comes complete with holders as shown! Hudson's filter technology helps stop the viruses and bacteria that often plague CPAP/BiPAP users creating a clean, sterile environment for airflow. The 1605's naturally hydrophobic filter allows maximum filtration with a minimum loss of air flow.
This Filter Cover snaps onto the back of all S9 CPAP and VPAP machines to cover the filter compartment. It will also help protect the device in the event of accidental liquid spillage. The filter and filter cover should be fitted at all times when using any ResMed S9 System. ResMed - Part 36859