Rostra 250-1453 Universal Automotive Lumbar Support - Rear Mount Includes spring-loaded rocker switch for easy inflating and deflating of the lumbar air bladder. Control switch can be installed beside most automotive seats. Air pump enclosed in protective pouch keeps it safe from under-seat debris. Flexible yet tough bladder tubing assures no air leaks over time. In-line fuse on power harness assures longevity of air pump in case of electrical short.