Clean, healthy comfort. This casual acrylic tub features an EverClean® Whirlpool System with 8 fully adjustable jets powered by a 1.4 HP pump/motor, side-mounted On/Off control and 2 silent air-volume controls. Our EverClean antimicrobial additive protects pipes from mold, mildew and more. And a Deep Soak® Drain increases the water capacity.Feel refreshed and energized with the calming yet invigorating massage found in our Everclean® whirlpools. Unique to only American Standard® whirlpools, the patented EverClean antimicrobial additive is molded directly into the water circulation components to inhibit the growth of mold and mildew on the pipes. Combined with the therapeutic massage of the stylish, adjustable jets, the EverClean whirlpool system is the ultimate in relaxation. Acrylic with fiberglass reinforcement EverClean system Ledge-mounted overflow design for maximum water depth Integral apron with removable access panel Integral three-sided, tiling / water retention flange Self-draining pump/motor with dry run seal Eight directionally adjustable Clean Jets™ E-Z Install™ heater connection system (heater must be ordered separately) Two silent air volume controls Designed with undermount installation option Complete factory installed and tested whirlpool system American Standard whirlpools with EverClean incorporate a patented antimicrobial additive molded directly into the water circulation piping to inhibit the growth of mold and mildew on the pipes.