INSTALLATION TOOL - The package includes 4 disassembly wrench tools in different sizes, allowing you to easily install or remove the faucet aerator within minutes without requiring 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, producing a soft, aerated stream with minimal splash. S - The sink faucet aerator is constructed from durable plastic for long-lasting performance. The integrated fine filter screen ensures consistent water flow while preventing splashing and providing effective filtration. WIDE APPLICATION - Suitable for use in homes, hotels, and public facilities, this water tap filter aerator can be installed on kitchen sinks, bathroom faucets, and lavatory spouts. Material: Plastic Color: Blue + Black Package Contents: 16 x bubbler, 4 x spanner