Adapt to greater depths of relaxation. This acrylic tub features an EverClean® Whirlpool System with 10 adjustable jets, a 2.1 HP one-speed pump/motor, a side-mounted On/Off control, and 3 silent air volume controls. American Standard has EverClean antimicrobial additive that protects pipes from mold, mildew, and more. Requires a deep soak® max drain that allows 3" more water. 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 Clean Jets™, the EverClean whirlpool system is the ultimate in relaxation.