Opti-Klens I Eyewash Fountain, mounts behind your existing faucet spout. It

Eyewash Fountain, mounts behind your existing faucet spout. It remains out of the way for every day faucet use, but it is always there as a permanent eye wash station when needed. Delivers over .4 gallons per minute of water, qualifying as an eye wash. There is no plumbing required, and it installs easily onto any faucet, sink or basin. Two of the most common adapters are packed with the unit.