INSTALLATION TOOL - The package includes 4 disassembly wrench tools in different sizes, allowing for easy installation or removal of the faucet water-saving device without the need for additional tools. GREAT EFFECT - Each swivel extension faucet aerator features a fine mesh screen that reduces water impact and saves water by mixing air into the flow, creating a soft spray with fine air bubbles to prevent splashing. HIGH QUALITY MATERIALS - Made from durable plastic, the sink faucet aerator is designed for long-lasting performance. The integrated filter screen provides effective filtration, ensuring a steady and consistent water flow. WIDE APPLICATION - Suitable for use in homes, hotels, and public restrooms. Compatible with 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 display settings may cause slight color variations between the image and the actual item. Dimensions may vary by +/- 1-3 cm.