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 advanced filtration helps remove impurities and enhances water hygiene and safety. Suitable for use with kitchen and bathroom faucets.Water saving up to 30-40% The faucet aerator efficiently mixes water with air to create a non-splashing, foamy flow, improving water pressure feel while reducing consumption. A faucet equipped with this aerator can save approximately 30-40% more water compared to an un-aerated faucet.Splash resistant, noise reducing, consistent flow By blending air into the water stream, the flow becomes softer and less turbulent, minimizing splash and noise. This results in a steady, smooth water output that enhances user comfort and keeps the sink area dry.Secure sealing design The faucet nozzle includes an outer ring seal 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. Installation is quick and tool-free.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.