The Hi-Boy series whirlpools offer complete coverage all the way to the back hip and shoulder areas for full immersion and full-body treatment * Whitehall also offers an optional Adjustable Suspension Seat or Tank Top Seat so lower extremities such as the lower leg ankle and foot areas can still be treated * This option provides a standard stationary unit * Product Function: * For use on whole back shoulder * Product Details - * Material: Stainless Steel * Legacy Model: DF-4828 * Appropriate for: Athletic Trainer Physical Therapy * Capacity in Liquid Volume: 105 gallons * Body Treatment Location(s): sitting neck * Internal Length: 48 * Internal Width: 24 * Internal Depth: 28 * Certification(s): MET CE