Resmed Auto Set T Ultrafine CPAP Filter,4-1/4" X 3-1/4",2/Pack,CF-17937Price: USD3.59 Resmed Auto Set T Ultrafine CPAP Filter work to clean the air around CPAP machine, ensuring that patient is breathing in high-quality air. Ultra fine filters are disposable for optimal performance they should be changed regularly when they appear soiled or discolored.Other products from H e a l t h P r o d u c t s F o r Y o u |