Hi Boy Whirpool 60 Gallon Stationary Low Air Loss Systems Lithium battery power supply 416700 Lithium battery power supply * Adjustable Pressure Range: 20 Mmhg 70 Mmhg 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 lower back * Product Details * Material: Stainless Steel * Legacy Model: DF 3628 JO 20A * Appropriate for: Athletic Trainer Physical Therapy * Capacity in Liquid Volume: 60 gallons * Body Treatment Location(s): sitting low back * Internal Length: 36 * Internal Width: 20 * Internal Depth: 28 * Certification(s): MET CE