Quality material: the faucet aerator is made of ABS plastic, durable for long-lasting use and easy to install, the fine mesh has good filtering effect, which can maintain a stable and constant water flow, without water splash Standard size: top outer diameter is 20.9 mm/ 0.82 inch, bottom is 18 mm/ 0.71 inch, universal fit plus standard 22 mm , 24mm faucet Application: suitable for the installation and replacement of faucet faucets in homes, hotels, public facilities and other places, saving water and filter it Function: soften the impact of water and prevent splashing water by generating a lot of bubbles, the filter inside can filter out most impurities Package includes: comes with 12 pieces faucet aerators in one bag, enough for your different needs, such as home, hotel, communal facilities faucet faucetsFeatures: Quality material : The faucet aerator is made of ABS plastic, durable for long-lasting use and easy to install, the fine mesh has a good filtering effect, which can maintain a stable and constant water flow, without splashing water. Function: Alleviate the impact of water and prevent water from splashing by generating a lot of bubbles; the strainer inside can filter most impurities. Application: Suitable for the installation and replacement of faucet faucets in homes, hotels, facilities public and other places, thereby promoting water saving and water filtration. Specifications: Material: ABS plastic Size: 20.9 x 18 mm/ 0.82 x 0.71 inches Package includes: 12 x Faucet Aerators