Water Saving: Faucet aerators can fully mix the water and air flowing through the aerator to create a foaming effect, improve flushing effect, and reduce water consumption. Faucets installed with aerators can save about 40% of water. 7-Layer Filtration: Our faucet filter has 7 layers of fine filtration to ensure clean, hygienic, and safe water. The 2-layer ABS perforated filter can effectively filter large particles of impurities in the water flow. The 5-layer SUS 304 stainless steel filter can effectively filter small particles in the water flow. Constant Water Flow: Faucet aerators ensure a certain water output when the tap water pressure is too low, limit water output when the tap water pressure is too high, and stabilize water output when the tap water pressure is unstable. Anti-Splash and Noise Reduction: The perfect airflow design in the faucet stream regulator, the hollow part of the filter element mixes with air, and the water flow is smooth, the impact is reduced, the buffered water column is uniform, and the water column is vertical to prevent water splashing. Scope of Delivery: 6 faucet aerators, 8 gaskets, 1 chrome-plated carbon steel faucet wrench.