Underscore 60-in x 36-in Oval Drop-in Bath w/ Bask Heated Surface Streamlined for simplicity, the Underscore oval bath exudes refined style with contemporary flair. The Bask heated surface warms your back, shoulders, and neck with adjustable temperature settings to create a soothing, spa-like environment. A slotted overflow drain allows for a luxuriously deep bath as you relax against the comfortable sloped backrest. Bask heated surface creates spa-like relaxation with soothing warmth on your back, shoulders, and neck. Three heat settings allow you to customize the surface temperature. Molded lumbar support offers extra comfort while Bathing. Oval-shaped basin offers a graceful and spacious Bathing experience. Slotted overflow allows for deep soaking. Requires K-7271 or K-7272 Clearflo slotted overflow bath drain (sold separately). Center drain.