Commode shower chair is same as the S900, except with 24" rear wheels for greater maneuverability. It's rear wheels comes with hand breaks extra safety. The arms are swing back for easy side access and chair cleaning. Can also double as a commode seat. Make of rust inhibit treated frame that's corrosion resistant. We provide free in home evaluations and installation for local customers by one of our certified professionals. Call for pricing. 954-888-9292