INSTALLATION TOOL - The package includes 4 disassembly wrench tools of different sizes, which can be used to disassemble or install the faucet water-saving device in minutes without needing additional tools, offering great convenience. GREAT EFFECT - Each swivel extension faucet aerator features a fine mesh that reduces water impact and saves water by mixing air into the flow, creating a soft spray that helps prevent splashing. S - The sink faucet aerator is made of plastic, making it lightweight and easy to install. The fine filter screen provides effective filtration and maintains a steady, consistent water flow without splashing. WIDE APPLICATION - This water tap filter aerator is suitable for installation or replacement on faucets in homes, hotels, and public places. It fits kitchen sink faucets, bathroom taps, and lavatory faucet spout heads. Material: Plastic Color: Blue + Black Package Contents: 16 x bubbler 4 x spanner Only the above package content is included; other items are not part of this package. Note: Due to light reflection and differences in display screens, the color of the item in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.