The 600, Rehab Shower/Commode Chair, has features that address the needs of the rehabilitating, long-term care, home care clients, and care givers. Frame widths are available from 18-22? and wheel options include 4 casters, 20? or 24? rear wheels. There are many seat options, including several 4-way adjustable seats for seat opening access in any direction. This chair is designed to make those daily activities just a little bit easier.