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 the need for additional tools, offering convenient operation. 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. HIGH QUALITY MATERIALS - The sink faucet aerator is made of plastic, making it lightweight and easy to install. The fine filter screen provides effective filtration and helps maintain a steady, consistent water flow. WIDE APPLICATION - This water tap filter aerator is suitable for use in homes, hotels, and public facilities. It can be installed on kitchen sink faucets, bathroom taps, and lavatory faucet spouts. Material: Plastic Color: Blue + Black Package Contents: 16 x bubbler 4 x spanner Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.