5-layer filtrationThis faucet filter has a built-in 5-layer filter, which is 2 layers more than the same type on the market, which can filter impurities better and ensure the hygiene and safety of the water. 'water. Suitable for kitchen and bathroom faucets. Water saving nearly 30-40%The faucet aerator can completely mix water and flowing air to form a foaming effect, improve the abrasion force and thus reduce water consumption. A faucet with an aerator installed saves approximately 30-40% more water than a faucet without the device. Splash Resistant, Noise Proof, Constant Current After the flow of water mixed with the air, it will become softer and reduce the impact force, it can prevent water from splashing everywhere when the water is taken out. So the sink faucet filters can also reproduce good constant water flow and noise reduction effect. Good sealingThe bathroom water faucet nozzle of kitchen has a waterproof sealing ring outside, which can prevent water from splashing sideways. At the same time, the package comes with 2 plug-in faucet jet wrenches, you just need to screw the water faucet filters with the wrench, the whole installation process is very convenient. < p>Packing ListYou will receive 6 faucet aerators and 2 keys.