Water Saving - The .5 Aerator can fully mix the water flow and air flow to achieve a foaming effect, improve flushing power and reduce water consumption. Faucets with built-in aerators use about 30% less water than faucets without aerators. Anti-splash, low noise, constant flow: After the water flow is mixed with air, the faucet aerator becomes softer, which reduces the impact force and prevents the water from splashing around when it flows out. Three-layer filtration: It is also a kitchen and bathroom faucet filter, with a built-in three-layer filter, which can filter impurities well and water and safety. The sink aerator is suitable for kitchen and bathroom. Good sealing and easy installation: There is a waterproof sealing ring on the outside of the faucet filter sink, which can prevent water from splashing from the side. At the same time, each set comes with 2 sleeves for screwing on the aerator, making the whole installation process very convenient. Box Contents: You will receive 18 .5 Aerator Mixer Nozzle Aerators for Kitchen, Bathroom and Sink and 6 Keys. According to the different water quality in the area, for your water sanitation and safety, it is recommended to replace the aerator directly every 3-6 months. Colour:As Shown Material:ABS Size:1.85x1.85x1.4cm Package Contents: 18 * Bubbler 6 * key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.