General Use Extreme Comfort Wheelchair Back Cushion with Lumbar Support, 16" Oxygen Concentrator Filter hence increases ability to better Size:20" x 18" Detachable Desk Arm, Swingaway Footrest

General Use Extreme Comfort Wheelchair Back Cushion with Lumbar Support, 16" Oxygen Concentrator Filter hence increases ability to better Size:20" x 18" Detachable Desk Arm, Swingaway Footrest hence increases ability to better maintain patient saturation levels Revolutionary Dry Box technology isolates the humidfier's water source from the inner workings of the device to protect against accidental spillage and water damage The General Use Back Cushion's back is made of a special non slip vinyl which prevents the unit from sliding when the use is moving 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