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 requiring additional tools, offering added convenience. GREAT EFFECT - Each swivel extension faucet aerator features a fine mesh that reduces water impact and conserves water by mixing air into the flow, producing a soft, non-splashing stream. S - The sink faucet aerator is made of plastic and is easy to install. The fine filter screen provides effective filtration and helps maintain a steady, consistent water flow without splashing. WIDE APPLICATION - This water tap filter aerator is suitable for installation or replacement on various taps in homes, hotels, and public places. It fits kitchen sink faucets, bathroom taps, and lavatory faucet spouts. 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.