Product Specifications: Color: Gray Green Material: ABS Plastic Dimensions: 20.9 x 18 mm / 0.82 x 0.71 inches Package Includes: 20 x Faucet Aerators Features: High-quality material: The faucet aerator is made of ABS plastic, which is durable and easy to install, and the fine mesh has a good filtering effect, which can maintain a stable and constant water flow without water splashing. Function: Reduces the impact of water and prevents water splashing by generating a lot of air bubbles; the filter inside can filter out most impurities. Application: Suitable for the installation and replacement of faucet valves in homes, hotels, public facilities and other places to promote water saving and water filtration. Product Description: High Quality Material: The faucet aerator is made of ABS plastic, durable and easy to install, fine mesh filtration effect, can maintain a stable and constant water flow without water splashing. Standard Sizes: Top OD 20.9mm/0.82", Bottom OD 18mm/0.71", most universal standard 22mm, 24mm faucets. Application: Suitable for the installation and replacement of faucets in homes, hotels, public facilities and other places, to save and filter water. Function: Reduce the impact of water and prevent water splashing by generating a lot of air bubbles, the filter inside can filter out most impurities. Package Contents: One bag comes with 20 pieces faucet aerators, enough for your different needs such as home, hotel, utility faucets. luckymeet