KANONEY Pre-rinse hose with spray valve replacement kit for Commercial Kitchen Sink Faucet. The function of the o-ring is to keep the handle in place and make the sprayer keep working. It can free your hands if you need to use this pre rinse sprayer for a long time. The water output effect is better than other products, there will be no phenomenon of no water flowing down, all the water will keep into a point, easy to clean it. ? Commercial Dish Sprayer Details ? Water flow: 1.42GPM Handle connector size: 7/8-20UNEF Without hand grip size: 3/4-14UNEF ? Pre Rnse Dishwasher Hose Details ? Hose Material: Stainless steel Connector Size: 7/8”-20UNEF female(both sides the same) 44" commercial hose allows spray valve to reach multiple sinks, making it useful in 2-3 compartment sink. 304 stainless steel material and double buckle design which is anti shedding and knotting. ? The Adapter Size ? 7/8-20UN male to M22*1 female adapter, the other is 7/8-20 UN male thread to 3/4-14 NPT female thread, the third is 7/8-20 UN male to 1/2NPSM female thread ? Packing List ? 1* 44 inch pre-rinse hose 1* Gray spray valve 3* brass adapter with chrome surface 1* stainless steel o Ring 4* Water Washers Transform your commercial kitchen with our faucet replacement parts and enjoy the ease of installation and durability that our products offer. Don't settle for less—upgrade today!