Single-speed whirlpool offers performance and value, with 8 fully adjustable jets Comfort Depth design offers a convenient 19 in. step-over height while retaining the same depth as a standard 21 in. bath Molded lumbar support offers extra comfort while bathing Tile flange helps prevent water from seeping behind wall and simplifies alcove installation KOHLER Exocyclic material offers 30% lighter product weight for easier installation compared to KOHLER Brand Acrylic FRP