Swift FX Bella Nasal Pillow CPAP/BiLevel Mask FitPack with Headgear Style:Swift FX Bella Gray Mask with Small, Medium & Large Pillows This replacement power cartridge is

This replacement power cartridge is designed for use with all Eclipse Oxygen Concentrators

Four cushion sizes -- Petite

dark gray with blue highlights Travel Bag from 3B Medical is designed for use with all Luna G3 and React G3 X Series CPAP & BiPAP machines

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

Swift FX Bella Nasal Pillow CPAP/BiLevel Mask FitPack with Headgear Style:Swift FX Bella Gray Mask with Small, Medium & Large Pillows This replacement power cartridge isResMed'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.