Airpool bathtubs feature small holes at the bottom that push air in to create a soothing, fizzy soak that's designed to be calming. An airpool bathtub creates thousands of warm air bubbles that stimulate the skin's light touch receptors, producing an overall calming effect. An air blower works like a giant hair dryer, taking the room temperature air, increasing it by approximately 30° and blowing it through the bath. The control allows full control of the amount of air. Turn it down for a "low simmer" or all the way up for a "full boil". Air baths differ from a whirlpool in that the massage is much softer. Choose from Drop-in, Alcove, Freestanding, and Corner installation types. If you were interested in particular brands, we highly recommend airpool bathtubs from American Standard, Jacuzzi, or Toto.