Aerisitor manual Star Plus 1/2" Installation Instructions 1. Before installation, make sure that the pipe and the aerator are free from debris and dirt. 2. Unscrew the existing aerator from the faucet. 3. Place the gasket on the faucet outlet. 4. Place the aerator on the faucet with the threads facing inward. 5. Hand-tighten the aerator onto the faucet. 6. Use an adjustable wrench to firmly tighten the aerator onto the faucet. 7. Turn on the faucet and check for leaks. 8. If there are any leaks, adjust the aerator and tighten it further. 9. Install the Star Plus 1/2" aerator on the faucet, and enjoy the improved water flow.