EASY AND SMOOTH OPERATIONThis faucet sprayer head has two functions, bubble type and shower type. The button is easy to use, just press it to switch from bubble type to shower type effortlessly, and you don't have to hold the button down, the sprayer will stay on the setting you selected.FITS MOST PULL OUT FAUCETConnector size is G1/2 Connection, not NPT or 1/2 inch, STRAIGHT male threads. Connector O.D.: 13/16 Inch or 20.5 MM. Notice: Please check the connector size of your faucet before purchasing.GOOD QUALITYNicely constructed of high quality ABS material with chrome finish for durability, effectively withstands daily rust and tarnishing, providing everyday convenience for different purposes.FUNCTIONAL REPLACEMENTThis utility spray head with clean looking is designed for kitchen pull out faucet. It's a functional replacement for the defective or clogged one that came with the faucet, you don't need to buy the whole set up.EASY TO INSTALLIt's very easy to install this kitchen faucet spray nozzle, you just need to unscrew the old one and install the new unit. And the smooth, steady water pressure from its nozzle washes away any mess without over spraying or leaking.