Underscore 60-in x 36-in Oval Drop-in Whirlpool w/ Heater Receive the tension-relieving benefits of this Underscore whirlpool, equipped with eight adjustable jets for a powerful hydromassage. The built-in heater keeps your water the temperature you desire throughout your bath. A slotted overflow drain offers full immersion by giving you the maximum water height. 8 hydromassage jets can be individually adjusted for water flow and direction. Variable-speed pump for adjusting massage intensity. Built-in heater. Lighted keypad. Oval-shaped basin offers a graceful and spacious Bathing experience. Sloping backrest provides comfort. Slotted overflow allows for deep soaking. Requires K-7271 or K-7272 Clearflo slotted overflow bath drain and K-9698 jet trim kit (sold separately). Center drain.