Snap N Save Sliding Tub Mount Transfer Bench w Swivel Seat Hot Cold Therapy U 20 PORTABLE ULTRASOUND * The Autoclavable Up to 325 U 20 PORTABLE ULTRASOUND * The U 20 Portable Ultrasound provides therapeutic ultrasound in an economical package * Soundhead Features and Options All Amrex ultrasound transducers are lightweight ergonomically designed and sealed for underwater therapy * Amrex offers two soundhead faceplate sizes: the standard 2 Storage Condition: Temperature: 20°C~ +55°C 5 (minimum) * Inside Tub Width (at Top): 23 (minimum) * Tub Wall Height (inside): 13 17 75 * Seat Height: 5 above tub wall * Weight Capacity: 350 lbs * Tub Wall Width: 2