Full Face Cushion for Quattro FX Series CPAP/BiLevel Masks Size:Large This premium SoftEdge Headgear from

This premium SoftEdge Headgear from ResMed is designed for use with all AirFit F10 & AirFit F10 For Her CPAP/BiLevel Masks

It measures approximately 6

This Lithium Ion Battery Pack is designed for use with all PARI TREK S Portable Nebulizer Compressor Systems

The meter measures pressure settings from 0-18 CM of H2O

Full Face Cushion for Quattro FX Series CPAP/BiLevel Masks Size:Large This premium SoftEdge Headgear fromResMed's Dual Wall Spring Air full face cushion distributes pressure evenly and absorbs even the slightest user movements, so users can enjoy a good nights sleep, confident that their seal is safe. These cushions are designed for use with all Quattro FX and Quattro FX For Her CPAP BiLevel Masks and come in three sizes Small, Medium and Large.