Swift FX Bella Nasal Pillow CPAP/BiLevel Mask FitPack with Headgear Style:Swift FX Bella Gray Mask with Small, Medium & Large Pillows They help to filter any

They help to filter any dust and debris in the air around you from getting into your concentrator

The AirMini Setup Pack for AirFit & AirTouch N20 Masks is a unique tubing kit that includes all of the components needed to easily connect N30 Masks to ResMed's ultra-portable AirMini Auto-CPAP Machine

Four cushion sizes -- Petite

The Side Cover is an optional accessory for use with AirSense 10 Series CPAP Machines and AirCurve 10 Series BiLevel Machines

Swift FX Bella Nasal Pillow CPAP/BiLevel Mask FitPack with Headgear Style:Swift FX Bella Gray Mask with Small, Medium & Large Pillows They help to filter anyResMed's Swift FX Bella offers all of the advantages of the Swift FX with the added benefit of Bella Loops. Bella Loops are a truly unique headgear option that gently curves around the ears to create a secure fit and eliminate the confines and crush of more traditional headgear straps.