On-the-Tub Oxygen-Ion Turbo Luxury Bath Spa Converts your standard tub into a relaxing turbo whirlpool. Skip the expensive installation and use this invigorating and relaxing turbo spa in any standard tub. Sink into your tub and enjoy deep relaxation in the turbo massaging action. * Creates hundreds of turbo massaging bubbles * Intensity is adjustable from powerful stream to gentle flow * Jets adjust in several directions to direct powerful comfort where you need it most. * Uses low voltage (DC13.5V, safe for th human body. Relax and soothe away your tension, muscle aches, and stress.