Brass Faucet Thread Adapter, Metal Outside Thread Tap Aerator Connector. Features: There Are Seven Types Totally for You to Choose. This Tap Aerator is Designed to Cut Down on Unnecessary Water Consumption (washing Hands, Brushing Teeth, Shaving Etc) from Your Taps Saves Water and Energy,Provides an Even Water Flow Suitable for Home,office,school,public Places' Use Specification: Material: Brass Color: Silver Size: G1/2 to 22mm Outside Thread Adapter: 20mm to 22mm 16mm to 22mm Outside Thread Adapter: 16mm to 22mm 18mm to 22mm Outside Thread Adapter: 18mm to 22mm 20mm to 22mmOutside Thread Adapter: 20mm to 22mm 22mm to 22mm Outside Thread Adapter: 22mm to 22mm 24mm to 22mm Outside Thread Adapter: 24mm to 22mm 28mm to 22mm Outside Thread Adapter: 28mm to 22mm Quantity: 1 Set Package Included: 1 X Outside Thread Adapter 1 X Gasket . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.