[ Pre Rinse Sprayer]pre rinse sprayer is designed for all kinds of commercial faucet.It is widely used for restaurant,home kitchen, el,Coffee shops or other heavy-duty commercial kitchen. [Dish Sprayer Size]The handle end thread is 7/8inch-20UNEF,if you don't need the handle then thread is 3/4inch-14UNEF. [High Pressure Valve]This pre rinse valve provides 1.42 GPM high pressure when the handle is pressed down.It can enhance your faucets flushing capacity,can meet your any washing needs. [Hold-down Ring]Secure the handle with an o-ring.It can help you hold the handle,free your hand.Then this sprayer keeps working. [Commercial Sink Sprayer Head]Our pre rinse sprayer features rubber nozzles that avoid hard water and limescale buildup,easy handle and maintenance.The commercial faucet sprayer head can be removed to clean. High Pressure Dish Sprayer Nozzle, This dish sprayer nozzle provides 1.42 GPM. This can enhance your faucets flushing capacity, can meet your washing needs. Commercial Faucet Sprayer Widely Used: All The Commercial Faucet(If it is other of faucet, please check the thread parameters of this product, if it is correct, you can use it.) Valve Type: Commercial Sink Sprayer Handle Type: Squeeze Handle Water Flow: 1.42 GPM Finish: Polished Chrome Handle Thread Size: 7/8inch-20UNEF Male Thread Inlet Sprayer Thread Size: 3/4inch-14UNEF Male Thread Inlet Color: Grey Material: Copper Package Contents: 1 * Shower head 1 * Gasket 1 * Stainless steel ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.