Kitchen faucet spray head replacement: G1/2 universal connection, suitable for the most common faucet pullout hose. Straight male thread, ordinary external thread G 1/2 (20 mm). Note: Please check your faucet connector size before purchasing. powerful hand shower nozzle, can easily remove dirt. Using the control button, you can select the injector according to your needs The surface material of the faucet hand shower is pollution-resistant, easy to clean, prevents scratches, rust and corrosion, and makes your kitchen more modern and simple Reliable conversion technology on hand or spray shower, durable anti-scald ABS plastic material to ensure quality and service life Easy to install: No tools required, easy to install, just tighten it. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm)