Quadtro Select Low Profile 20 x 18 Knee Supports Braces Digital Chair Scale model#594KL Hip Kits Digital Chair Scale model#594KL in addition the fully adjustable Hydrolift can raise the whirlpool rim up to 36 inches depending on the model * In normal operating conditions the Hydrolift will remain stationary * However for adaptable mobility both the Hydrolift and whirlpool may be moved by lowering the whirlpool to the floor and using the whirlpool casters * This model features a 22 Gallon Whirlpool * Product Details * Legacy Model: 404 * Brand: HydroLift * Appropriate for: Podiatry Hand Therapy Athletic Trainer Physical Therapy Occupational Therapy Chiropractic Long Term Care * Capacity in Liquid Volume: 22 gallons * Body Treatment Location(s): arm bicep & leg knee * Internal Length: 28 * Internal Width: 15 * Internal Depth: 18 * 3 year limited warranty