With clean, smooth lines, the KOHLER Underscore 60” x 36” rectangular drop-in whirlpool bath is a welcome retreat to soak away the days tension and center your mind. Lie back and melt in the deep bath as eight fully-adjustable jets deliver a powerful hydromassage, while the built-in heater maintains the water at your desired temperature to create a soothing, spa-like environment. Realize your vision. Its all at the touch of your finger