Easy to install — no special plumbing required. Convert any faucet into an emergency eye wash station. Threaded inlet attaches to all standard faucets. Activate by pulling knob. Eyewash flow is maintained by water pressure, leaving hands free. Push knob or turn faucet off for normal operation. Opti-Klens is the basic unit. Has adjustable outlets three inches apart. Opti-Klens II offers a full-face/eye wash. Delivers more than three gallons per minute. Meets ANSI standards for face/eye wash fountain. Tubing Diverter makes removing faucet aerator unnecessary. Attach tubing barb — reverse procedure for regular use. Replace aerator with Tubing Diverter and leave it on. Pull button to fill containers as needed.