Opti-Klens II Emergency Face & Eyewash Fountain KitOpti Klens II Emergency Eyewash faucet is a chrome plated solid brass face and eyewash unit. This eyewash unit is designed to accommodate most standard faucets and serve as a permanent face wash and eyewash fountain with an unlimited supply of water. Upgraded from previous versions, this unit has an eliminator valve that enables the water temperature to be preset, making the water temperate one less thing to worry about during an emergency situation.