Available in Soak, Whirl, Air & Combo, the Genesis is a treat for your, back, sides, and feet. When whirlpool or combo is selected, enjoy strategic directional jets tailored to your relaxation preference. JettaWhirl Classic tubs come with the Exclusive Jetta Stay Hot Guarantee. Jetta guarantees that the water in our insulated whirlpool baths will stay within 2 degrees of its original fill temperature for 30 minutes of use without an in-line heater. Customize your bath with an LED light, grab bars, Spa pillows, and more!