CertiSafe™ by Kasco Mixer for potable water is certified and tested to strict NSF/ANSI 61 & NSF/ANSI 372 standards and designed for use in drinking water storage tanks and reservoirs 20,000 gallons and larger. This powerful, active tank mixer is fully submersible up to 50 ft. of depth, easy to install, and can be mounted using a floor, suspension or pipe mount. There’s sort of safe, or, there’s CertiSafe. Visit: https://kascomarine.com/certisafe for more information.