5-layer filtration This faucet filter features a built-in 5-layer filtration system, offering 2 additional layers compared to similar products on the market. This enhanced filtration helps remove impurities and supports water hygiene and safety. Suitable for use with kitchen and bathroom faucets. Water saving of up to 30-40% The faucet aerator efficiently mixes water and air to create a foaming effect, improving flow performance while reducing water usage. A faucet equipped with this aerator can save approximately 30-40% more water compared to a faucet without one. Splash-proof, noise-reducing, and consistent flow By mixing air into the water stream, the flow becomes softer and less forceful, minimizing splashing. This design delivers a steady, smooth water flow while helping reduce operational noise. Reliable sealing The faucet nozzle includes an external sealing ring to prevent side leakage. The package includes 2 installation wrenches for easy setup. Simply use the wrench to securely tighten the filter onto the faucet, ensuring a quick and convenient installation. Package contents 6 faucet aerators 2 installation wrenches For optimal performance and water quality, it is recommended to replace the aerator every 3 to 6 months depending on local water conditions.