Watersaving The faucet aerator can fully mi the water and air flowing through to create a foaming effect, improve the scrubbing power and reduce water consumption. A faucet with an installed aerator saves about 30 compared to a faucet without an aerator. Splashproof, soundproof, constant flow After the water flow is mied with the air, the faucet aerator becomes smoother and reduces the impact force, which can prevent the water from splashing everywhere when the water comes out. Filtration It is also a builtin kitchen and bathroom faucet filter that can filter out impurities well and ensure water and safety. And the sink aerator is suitable for kitchen and bathroom. Packing List You will get 10pcs .5 faucet aerators for replacing kitchen and bathroom sink aerators and 2pcs wrenches. Depending on the different water quality in the area, for your water sanitation and safety, it is recommended to replace the aerator directly every 36 months. Color grayblue Material plastic Size 18.5mm11.5mm Package Contents 1018.5mm Faucet Aerators 218.5mm Wrenches Important Note Please check the diameter of your faucet before ordering to ensure you get the right size of aerator The above package content only, 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 13 cm.