Engineered to be equally attractive and affordable. This Colony® System 1 Whirlpool features 6 fully adjustable jets powered by a 1.25 HP single-speed pump/motor for an invigorating massage, plus fiberglass-reinforced acrylic construction for superior strength. Includes a deck-mounted On/Off control plus 2 silent air-volume controls.Renew yourself and sooth away tension with the comforting effects of one of American Standard’s luxury whirlpools. Select from a relaxing swirl to a vigorous deep tissue massage. All of our whirlpools are equipped with silent air volume controls and come with a powerful factory installed and tested motor. Acrylic with fiberglass reinforcement Integral apron with removable access panel on whirlpools only Integral 3-sided tile/water retention flange Dual molded-in armrests Single speed pump/motor Deck-mounted air switch On/Off Six multi-directional and individually flow rate adjustable jets Two air volume controls