This filterÿis used in conjunction with the machine'sÿinlet air filters to provide an additional level of air filtration. It is compatible with all CPAP and Bilevel machines, and easily installs between the machine and the breathing tube.
** To reduce the possibility of reducedÿmachine performance, replace these filters when they become visibly dirty. Clear plastic shell makes it easy to see the condition of the filter - replace when it become discolored. This filter may have an impact on the ability of any Auto Adjusting CPAP to accurately respond to airflow restrictions during use.ÿNot recommended if the average pressure is belowÿ7cm H2O.