INSTALLATION TOOL - The package includes 4 disassembly wrench tools of different sizes, which can be used to install or remove the faucet water-saving device within 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 fine air bubbles to prevent splashing. S - The sink faucet aerator is made of plastic, ensuring durability and easy installation. The fine filter screen provides effective filtration, maintaining a steady and 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 set. 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 may vary by +/- 1-3 cm.