General Use Extreme Comfort Wheelchair Back Cushion with Lumbar Support, 20" SD Card Reader The marked flow meter allows

The marked flow meter allows you to properly measure the Liters Per Minute oxygen is flowing through it

Flex Comfort: The clinically proven C-Flex

To replace

Easy To Clean

You may only need to replace the cushion every six months instead of the whole mask

General Use Extreme Comfort Wheelchair Back Cushion with Lumbar Support, 20" SD Card Reader The marked flow meter allowsThe Extreme Comfort General Use Wheelchair Back Cushion with Lumbar Support is perfect for patients who need additional support for their back or would just like extra comfort. The General Use Back Cushion uses a Durable Masonite board which is secured on the back of the unit and prevents swaying in sling back wheelchairs. The unit conforms to the lumbar curve which better supports the lower back. A sealed liner protects the foam core from moisture