Versatile, cost effective, eco-friendly. Whitehall Extremity Whirlpools feature a compact design and low-gallon capacity to reduce water usage while maintaining maximum comfort. Each unit provides effective treatment of upper & lower extremities, is available in both stationary and mobile styles, and comes in water saving 15, 22, 27 and 45-gallon capacities. A raised undercarriage option is available with the 15 and 22-gallon models.