Water saving: The faucet aerator can completely mix water and air through the aerator to create a foaming effect, improve flushing performance and reduce water consumption. The faucet installed with an aerator can be used for approximately Save 40% water 7 Layers of 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 filter made of SUS 304 stainless steel can effectively filter small particles in the water flow Constant water flow: Faucet aerators guarantee a certain water flow, if the pressure water pressure is too low, limit the water output if the water pressure is too high, and stabilize the water output when the water pressure is unstable Anti- splashing and noise reduction: the perfect design of the air in the faucet aerator, the hollow part of the filter element is mixed with air and the water flow is gentle, the impact is reduced, the buffered water column is uniform, and the water column is vertical to prevent water splashing Package contents: 6 faucet aerators, 1 chrome-plated carbon steel faucet wrench Note: The data is all manually measured, please allow 1-3cm error due to the difference in light and display, There may be color differences, please refer to the actual item received.