CHECK SIZE & THREAD TYPE: our faucet head has G 1/2 male thread (NOT 1/2"), outer diameter of this male connection is 0.8" or 13/16" or 20.35mm, inner diameter is 0.55" or 9/16" or 14mm. It’s NOT universal, please check if your setup has STANDARD TYPE of faucet hose with female thread and measure the inner diameter of the female connection of your faucet hose before ordering | TESTED FOR RELIABILITY: tested to NSF/ANSI/CAN 61 & 372 standards, utility spray head with safe and reliable material for peace of mind in daily use. Effective replacement for original defective or clogged faucet without replacing the whole set | SIMPLE TO MANIPULATE WITH 3 SETTINGS: our kitchen sink sprayer head has 3 functions, stream, spray and pause. Simply press and release the button to switch from regular stream to spray. Keep pressing the round button at the top and it will pause the water flow | QUALITY & WELL MADE: solidly constructed of engineering-grade ABS plastic with premium brushed nickel finish for durability, effectively withstands daily rust and tarnishing, providing everyday convenience for different rinsing/filling purposes | EASY INSTALLATION WITHOUT TOOLS: easy to install this pull out faucet spray head, just unscrew the original one and screw it on. Please note: package contains only 1 sprayer without gasket. Retain the gasket of your existing equipment when connection. You can also add additional teflon tape (not included) to enhance sealing performance