Brand New Faucet Adapter 4pcs M16.2x6mm Male to M22x4.5mm Male Brass Tap Aerator Connector Solid Brass Faucet Adapter with an electroplate finish, rust-free & durable for long-term use. The tap aerator connector is suitable for a variety of Faucets as well as sink sprayers, aerators, water filters, showers, garden hoses, & more. Easy to install, no tools required, just hand-tighten the connector to complete the installation. Notice: Before assembling it is better to wrap thread tape on the thread surface of the product to prevent leakage after assembly. Specification: Material: Brass Finish: Electroplating Male Thread Size 1: M16.2mm x 6mm / 0.64" x 0.24"(D*L); Thread Pitch: 1mm / 0.04" Male Thread Size 2: M22mm x 4.5mm / 0.87" x 0.18"(D*L); Thread Pitch: 1mm / 0.04" Total Length: 19.5mm / 0.77