Feature:1. Function: Reduce the impact of water, generate a lot of air bubbles, avoid splashing water, and the filter inside can filter out most impurities.2. Application: Aerators are very practical faucet replacement accessories. Suitable for kitchen bathrooms, hotels, public toilets and other places.3. Dimensions: Faucet aerator top outer diameter is M16.5mm/0.65in, bottom outer diameter is 14mm/0.55in, standard size.4. Premium Material: The faucet flow retrictor is made of ABS plastic, which is lightweight, durable to use and easy to install.5. Package Included: Package includes 4 faucet aerators and 1 wrench, enough to meet your different needs, please measure the size of the faucet before buying this aerator.Specification:Item Type: Faucet AeratorMaterial: PlasticFlow: 1.2 GPMCaliber: Approx. M16.5mm/0.65inInstallation Method: Bathroom or kitchen.Package List:4 xFaucet Aerator 1 x Wrench