Gas Control Equipment Zen O Dc Power SupplyAdd more freedom with the DC Power Supply for your Zen O portable oxygen concentrator. A DC power supply can power your Zen O while on the move with your vehicle outlet or cigarette lighter. So while you are using your POC in the car, you won't be running down your battery, arriving at your destination with the battery power to live your active lifestyle!

Your G4 offers you freedom and independence and you don't want to be without it - and with these easy to change Replacement Columns

Each side operates independently to allow easy movement through narrow spaces and greater stability while standing

The Mask Interface - ResMed AirFit N30i Nasal Mask with No Headgear (Std Frame) is the original replacement for your mask

This cushion is only compatible with the ResMed AirFit N20 Nasal Mask

The 5 minute ozone FREE cleaning cycle with no need for water or harmful chemicals

Cushions available in 2 different sizes: Small And Medium

and much more flexible

attractive and easy-to-clean

Easily opens and folds

Grey powder-coated steel-welded construction increases strength and durability

weighs 26lbs

This cushion is only compatible with the Replacement Headgear for ResMed Quattro Air Her Full Face Mask