Eyewash Station, Sink Mount InstallationChrome plated brass faucet mounted eyewash converts any faucet into an emergency eyewash station No special plumbing required, won't interfere with normal faucet operation Easy to operate, turn on water and pull out knob to activate eyewash Water pressure holds spring loaded valve open, leaving hands free Push in knob to turn off water to revert faucet to normal operation No tools required, complete with adapters Available for eyewash or eye face wash