Jetta Designer and Elite baths come standard with rotational jets at the back of the tub. These jets are designed to disperse water in a whirl pattern. To reduce the whirl pattern, use your finger to adjust the center of the jet nozzle to the center of the jet body. To increase the whirl pattern, move the jet nozzle to the outer ring of the jet body. Please note that our Classic, Walk-In, Advantage and Affinity lines do not have rotational jets.