Kitchen Sink Faucet Replacement Pull Out Spray Head Shower Nozzle , Brushed Nickel Connector Size is G 1/2-14, STRAIGHT threads NOTICE: Please check your thread size before purchase. This spray head is NOT UNIVERSAL Two functions (spray or aerated stream), switch by pressing button Connector O.D.: 13/16 Inch or 20.5 MM Aerator regulates water flow and prevents splashing.