FITS MOST PULL-OUT VALVES: G1 / 2 universal connection, fits most common faucet withdrawal hoses STRAIGHT male thread, connector outer diameter: 13/16 inch or 20.5 mm. Note: Please check your faucet connector size before purchasing. GOOD QUALITY: Constructed of engineering grade ABS plastic and industry leading BRUSHED NICKEL finish, built to resist scratches, corrosion and tarnishing, ensuring quality and longevity. 2-FUNCTIONS: The spray head offers spray mode and aerated jet mode, from rinsing to filling, meeting your different usage needs. You can change the function by pressing the button. UPPER AERATOR: the multi-mesh aerator creates a perfect aerated flow, silent, without splashing, filters most impurities. EASY INSTALLATION: No tools needed, easy to install, just screw it on. Please contact support if you need assistance. We will reply within 24 hours! Connector size is G 1/2, STRAIGHT wires NOTICE: Please check your yarn size before purchase. This spray head is NOT UNIVERSAL.