Easy to Install: This bathroom faucet aerator replacement does not take too much time and effort for installing, which makes it suitable for most types of faucets; It is easy to install and replace with simple screw-in installationAll Metal: The outer shell of the sink aerator is made of solid brass with a chrome finish. Bathroom aerator kit is made of stainless steel material. All-metal material is more utility and corrosion-resistant than plastic, ensuring the reliability and practicalityFunction: This kitchen faucet aerator replacement can make the water flow and the air fully contact to form a foaming effect, thereby reducing the water consumption. After the water flow is mixed into the air, it will become softer and reduce the impact force. It can prevent the water from splashing everywhere, and can also play a good noise reduction effect. water saving faucet nozzle aerator provides high water efficiencyStandard Size: General faucet filter aerator for female and male bathroom and kitchen sink . Male thread diameter 24 mm (15/16 inch Male Thread). Female thread diameter 22 mm (55/64 inch Female Thread). Please check your aerator size before purchaseFaucet Aerator Kits: Two pieces 55/64 inch Female Thread brass shells; Two pieces 15/16 inch Male thread brass shells; Four pieces stainless steel aerators; Four pieces Rubber washers for for anti-leakage. Quick and easy to replace