Product Description Read More Advantage of faucet aerators Very low noise level; Bubble adhesion to prevent splashing and weaken water erosion force; No tools needed, just make sure that your faucet matches the item dimensions; Save Water: From jet to spray with valve design, it divides water into multiple small streams, reducing energy costs and water consumption. water over 50%. Wide Usage: The faucet aerator can be mounted on kitchen faucet, sink, bathroom faucet and toilet faucet. Installation steps 1. Remove the original bubbler 2. Install the white part of the water purifier 3. Fit the water saver on the white part 4. The water saver can be tightened clockwise Outer thread: approx. 2.4cm Inner thread: approx. 2.2 cm Read More Small holes The intimate design of the small holes can resist splashing to save water as much as possible, saving 50%. This also minimizes the noise. Switching modes The three mode switching methods are concentrated in one button, and the Pulse, Sprinkler, Pulse and Sprinkler modes can be easily switched. 360 degree rotation 360 degree rotation, can be washed at any angle with water. Especially suitable for kitchen and bathroom. Easy installation No tools required, just make sure your faucet matches the item dimensions. External thread: approx. 2.4cm, Inner thread: approx. 2.2cm.