Nispira CPAP Reusable Foam Air Filters Compatible with Philips Respironics PR System One, M Series and SleepEasy Series, 24 Filters

Premium reusable foam filters compatible with Philips Respironic CPAP models. It helps breathing easier and more naturally at night and be more productive during the day. Filters help trap larger particles such as dust, lint, fibers and pet fur in the air. Fit models M Series, PR System One and SleepEasy Series Dimension: 11/16" long x 15/16" wide x 6/16" tall. 24 filters included