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 and efficient operation. GREAT EFFECT - Each swivel extension faucet aerator features a fine mesh that reduces water impact by mixing air into the water stream, creating soft air bubbles to minimize splashing and help conserve water. HIGH QUALITY MATERIALS - The sink faucet aerator is made of durable plastic and is easy to install. The fine filter screen provides effective filtration, maintaining a steady and consistent water flow with reduced splash. WIDE APPLICATION - This 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: The package includes only the items listed above. Other products are not included. Note: Slight color variations may occur due to lighting and display differences. Measurement may vary by +/- 1-3 cm.