[Water Saving] This faucet aerator mixes water and air to create a foaming effect, improving flow efficiency and reducing water usage. Faucets with an aerator can save up to 30% more water compared to those without one. [Splash-proof, Noise-reducing, Constant Flow] By incorporating air into the water stream, the aerator softens the flow, reduces splashing, and minimizes noise while maintaining consistent water pressure. [Filtration] Features a built-in filter that helps trap sediment and impurities, providing cleaner water. 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. 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 above; other accessories are not included. Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3cm.