INSTALLATION TOOLS - The package includes 4 different sizes of disassembly wrench tools, you can use them to disassemble or install the faucet water-saving device in minutes, no need to borrow other tools, very convenient. GREAT EFFECT - Each swivel extension faucet aerator has a fine mesh that absorbs water shock and saves water by mixing a lot of air into the water, creating fine air that prevents water from splashing out. HIGH QUALITY MATERIAL - The sink faucet aerator is made of plastic, which is durable and easy to install. The fine filter strainer has a good filtration effect and can maintain a stable and constant water flow without splashing. WIDE APPLICATION - The water faucet filter aerator is suitable for installing and replacing faucet accessories in homes, hotels, public and other places. It can be mounted on kitchen faucets, bathroom faucets and washbasin faucets. Material: Plastic Color: Blue + Black Package Contents: 16 x Bubblers 4 x Wrench Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.