Measure Size】Male connection of pull down spray head is 20.5mm or 0.8” or 13/16”(outer diameter), NOT 1/2”. NOTED: Only designed for a STANDARD TYPE of pull out hose. Please measure the size and thread type before ordering. 【Easily Switch 2 Modes】When you want to switch from regular stream to spray, you just press and release the button. 【Features】Mesh superior aerator creates quiet and no-splash aerated stream, can filter out most impurities. 【Premium Material】It is made of Engineering grade ABS plastic. Premium Brushed nickel finish resist scratches, rust and corrosion, tarnishing. 【Easy To Install Without Tools】No tools needed. You will be easy to unscrew the old one and screw the new spray head on. Perfect for transforming your kitchen.