Resmed AirSense 10/S9 Standard Filter - 50 packsDescription Intended for use with AirSense 10, AirCurve 10 or S9 series devices to filter the air delivered during treatment. These disposable filters trap large floating particles such as cat hair and dander and optimise the filtration process of your CPAP machines. Feature Bulk Value Savings: A 50 pack provides the most cost effective way to manage your CPAP supplies, ensuring you always have a fresh filter on hand for years to come. Essential