5-Layer FiltrationThis water-saving faucet aerator has built-in 5-layer filter, which is 2 layers more than the same type on the market, which can filter impurities better and ensure hygiene and water security. Suitable for kitchen and bathroom faucets. Almost 30-40% water savingThe faucet aerator in kitchen saving can fully mix the flowing water and air to form an effect foaming, improve the scrubbing force and thus reduce water consumption. A faucet with an aerator installed saves approximately 30-40% more water than a faucet without the device. water mixed in 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 aerator can also play good constant water flow and noise reduction effect. Good sealingThe faucet aerator has a waterproof sealing ring outside, which can prevent water from splashing sideways. At the same time, the package comes with 2 plug-in keys, you just need to screw the faucet aerator with the key, the whole installation process is very convenient. Packing listYou will receive 6 pieces faucet aerator and 2 keys. According to the different water quality in the area, for the sanitation and safety of your water, it is recommended to replace the bubbler directly every 3-6 months. Product Size: 18.5 mm Product colour: blue Scope of delivery: Eight pieces