Filtering impuritiesThe kitchen faucet nozzle is filtered layer by layer, which can filter most of the sediment and impurities in the water, making the water cleaner and ensuring hygiene and safety some water. Suitable for kitchen and bathroom faucets. 30%-40% water savingThe faucet aerator can completely mix the water and circulating air to form a foaming effect, pressure compensation or water limiting device, the faucet with a bubbler can save about 30%-40% water. Waterproof MaterialThe faucet aerator is made of ABS plastic steel, which is corrosion-resistant, rust-proof and odorless. High quality plastic gasket prevents water leaking. Easy InstallationNo other tools needed, just tighten the aerator by hand or use the wrench. exhaust to clamp, the whole installation process is very convenient. For the hygiene and safety of your water, it is recommended to replace the aerator directly every 3-6 months. Splash and Noise ResistantOnce the water flow is mixed with air, it will become softer and reduce impact force, which can prevent water from splashing everywhere when it comes out. Therefore, the sink faucet aerator can also play good steady water flow and noise reduction effect. Blue color Size: 18.5 MM Quantity delivered: Set of 4 The product size is measured by hand, there are some errors and the actual product shall prevail. The color of the product is affected by the shooting light. sight, and there will be a certain color difference, which depends on the actual product received.