[Water Saving] This faucet aerator effectively mixes water and air to create a steady, foaming flow, enhancing cleaning performance while reducing water usage. Installing an aerator can help save up to 30% more water compared to a faucet without one. [Splash-Proof, Noise-Reducing, Constant Flow] By incorporating air into the water stream, the aerator softens the flow and reduces impact force, minimizing splashing and noise for a more comfortable user experience. [Filtration] Features a built-in filtration system that helps remove impurities from the water, promoting cleaner and safer water flow. Suitable for use in both kitchen and bathroom sinks. [Packing List] Includes 10 x 18.5mm faucet aerators and 2 x 18.5mm wrenches. Depending on local water conditions, it is recommended to replace the aerator every 3 to 6 months for optimal performance and water hygiene. Color: Gray + Blue Material: Plastic Size: 18.5mm x 11.5mm Package Contents: 10 x 18.5mm faucet aerators, 2 x 18.5mm wrenches Important Note: Please measure your faucet's thread diameter before purchasing to ensure compatibility. The package includes only the items listed; other accessories are not included. Due to lighting and display differences, actual product color may vary slightly from images. Measurement may vary by +/- 1-3cm.