5-Layer Filtration: This faucet aerator features a built-in 5-layer filter, providing effective filtration of impurities for improved water quality. Suitable for kitchen and bathroom faucets. Water-Saving Performance: The aerator mixes water and air to create a foaming stream, helping reduce water consumption by approximately 30–40% compared to standard faucets. Splash-Resistant, Quiet, and Consistent Flow: Air infusion softens the water stream, minimizing splashing, ensuring steady flow, and reducing operational noise. Secure Fit: The aerator includes an outer sealing ring to prevent lateral water leakage. Two wrenches are included for easy installation. Package Includes: 6 faucet aerators and 2 installation wrenches. For optimal performance and hygiene, replace the aerator every 3–6 months based on local water conditions.