5-layer filtration: This water-saving tap aerator has a built-in 5-layer filter, which is 2 layers more than the same type on the market, which can better filter out impurities and ensure water hygiene and safety. Suitable for kitchen and bathroom taps. Approximately 30-40% water saving: The kitchen tap's economic aerator can thoroughly mix water and flowing air to form a foam effect, improve scrubbing power and thereby reduce water consumption. A tap with an installed aerator saves approximately 30-40% more water than a tap without the device. Splash-proof, soundproof, constant flow: After the water flow is mixed in the air, it becomes smoother and reduces the impact force, it can prevent water from dripping and splashing everywhere when the water comes out. So the sink tap can also play a good constant water flow and noise reduction effect. Good sealing: The tap aerator nozzle has a tight sealing ring on the outside, which can prevent water from splashing to the side. At the same time, the package comes with 2 plug-in keys, you just need to screw the tap aerator with the key, the entire installation process is very convenient. Packing list: You get 6 tap aerators and keys. Depending on the different water qualities in the area, for your water's sanitation and safety, it is recommended to replace the bubbler directly every 3-6 months. Features: 1. Color: Blue 2. Weight: 30g