5-layer filtrationThis faucet filter has a built-in 5-layer filter, 2 layers more than similar products on the market, which can filter impurities better and ensure water hygiene and safety. Suitable for kitchen and bathroom faucets. Water saving of almost 30 to 40% The faucet aerator can completely mix the flowing water and air to form a foaming effect and improve the wear force, thereby reducing water consumption. A faucet with an aerator installed saves about 30-40% more water than a faucet without an aerator. Splash proof, noise canceling, constant currentThe water flow will become soft after mixing with air, reducing the impact force, which can prevent water from splashing everywhere when water comes out. Thus, the sink faucet filters also reproduce a good constant water flow and noise reduction. Good sealing The kitchen bathroom faucet nozzle has a sealing ring on the outside, which can prevent water from splashing to the side. At the same time, 2 plug-in faucet spray wrenches are included in the package, just use the wrench to tighten the faucet filter, the whole installation process is very convenient. List of packagesYou will receive 6 faucet aerators and 2 keys. According to the water quality in the area, for disinfection and water safety, it is recommended to replace the aerator directly every 3-6 months.