Innovative Technologies Group’s Aqua Renewal® faucet ozonation system attaches directly onto the faucet. The unit uses no electricity or batteries to operate and produces power using the faucet’s natural water flow. With a stylish, compact design, 3.9375 W x 4.9375 L x 2.875 H inches and 11 ounces (100 x 125.41 x 73.025 mm and 0.31 kg), the unit outputs up to 70 mg/hr. with an ozone concentration of 0.1 to 0.4 ppm. http://www.aquarenewal.com, [email protected]