Wheelchair Back Cushion 16x17 General Use w Lumbar Support Aneroid Blood Pressure 11 kg) load capacity under E1 3 11 kg) load capacity under normal use * 5 year limited warranty Weight capacity: 400 lbs * Improves seating posture while providing back support and comfort * Conforms to provide support to the lumbar region * Sealed liner protects foam core from moisture * The stabilization board secured on back of foam core prevents hammocking in sling back wheelchairs * Has a non slip vinyl back to prevent the cushion from sliding * Weight Capacity: 300 lbs * 18 Month Limited Warranty on cover and cushion* HCPCS Suggested Code: E2611