Air jets work using a blower (which inflates the hot tub) that in turn pumps air through a series of tiny holes. When there is enough air to pass through the holes in the hot tub, a force is created which results in a gentle, tickling, and a pleasant massage effect. They are comparatively cheaper than hydro jets. Hydro jets are powered with high pressure that is created by a water pump. The force and direction of these jets can be adjusted. Therefore, they can provide a targeted and powerful massage to the body.