Three Gear Adjustable: With a built-in button, it can efficiently adjust water output into 3 different amounts, which gives you more choices and saves your water accordingly. Rotatable nozzle: It can rotate 360 degrees, the water is fine, make it easier and simpler to clean vegetables, plates and other kitchen stuff. Wide Use Faucet Aerator can be fitted to kitchen faucet, sink faucet, bathroom faucet and toilet faucet, and use plenty of water public places. Easy To Install: Suitable for 99% type faucets. Convenient and convenient, saving your time. Easy to install, no tools required. Note: Please allow 1-3 cm error due to manual measurement, thanks for your understanding. Monitors are not calibrated same, item color displayed in photos displayed in photos may be showing slightly different from the real object, please take the real one as standard. Inner silk faucet installation. Remove the original bubbled, install the white part of the water-saving device. Match the water saver to the white part. The water-saving device can be tightened clockwise. Outer silk faucet installation: Remove the original bubbled and remove the white part of the water saver. Tighten clockwise. Adjustable ABS Plastic 360 Degree Sink Aerator Durable construction made of ABS plastic, stainless steel, and silicone for long-lasting use Three gear adjustable water output for customizable flow and water savings Rotatable nozzle that can turn 360 degrees for easy cleaning of vegetables and dishes Compatible with kitchen faucets, sink faucets, bathroom faucets, and toilet faucets