Their perimeter air injecton system is simply the best on the market Aerofeel s individual airjets and check valves provide immaculate purity Intelligently positioned around the interior wall and-in the tub s backrest tiny opening create a quiet and gently rippling massage carressing your skin and cradling your body -from head to toe And to complete this therapeutic haven Aerofeel also includes a heated back rest - imagine a warm sensation accross the entire back and neck Product Features Check valves Heated backrest Automatic drying cycle Electronic timer control with back lighting water level detector water temperature indicator three memory settings and digital timer Detachable rim with invisible overflow and wall spout Inclined backrests White or Biscuit acrylic Product Specifications Length 66 in Width 36 in Height 24 in Min Water Capacity 40 gal Max Water Capacity 77 gal - Buy Now or get More Info on Maax Bath - Click Here To Order