Wheelchair Back Cushion 20x17 General Use w Lumbar Support 3M Littmann WA Steths 5Hz 50Hz 100Hz 200Hz * Instrument Accessories 5Hz 50Hz 100Hz 200Hz * Six treatment times: 5 10 15 20 25 or 30 minutes * Tactile buttons for enhanced control * Convenient 9 volt battery * Easy to operate * Economical and dual purpose Perry PathwayTM vaginal and rectal EMG stimulation sensors Includes stimulator and 1ea 9V battery * Must order Vaginal (PG6330) or Rectal (PG6340) Sensor separately * *Durable polyester with closed cell foam padding for comfort *Aperture for toileting without removing sling *Weight Capacity: 600 lbs *Small * Limited 18 Month Limited Warranty on cover and cushion * Compare to Jay Basic Back * Improves seating posture while providing back support and comfort * Durable masonite board sercured on back of foam core prevents hammocking in sling back wheelchairs * Conforms to provide support to the lumbar region * Sealed liner protects foam core from moisture * Has a non slip vinyl back to prevent the cushion from sliding * Weight Capacity: 300 lbs