INSTALLATION TOOL - The package includes 4 disassembly wrench tools in different sizes, allowing you to easily install or remove the faucet aerator in minutes without needing additional tools. GREAT EFFECT - Each swivel extension faucet aerator features a fine mesh screen that reduces water impact by mixing air into the water flow, creating soft air bubbles to minimize splashing and help conserve water. S - The sink faucet aerator is made of durable plastic and is easy to install. The integrated fine filter screen provides effective filtration, ensuring a steady, consistent water flow with reduced splash. WIDE APPLICATION - This water tap filter aerator is suitable for use in homes, hotels, and public restrooms. 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.