Efficient & Safe Rinsing: Aquaterior Wall Mount Pre-rinse Faucet with 8" adjustable center distance, features high efficiency spray valve for fast rinsing & making cleaning chores a breeze; CUPC & NSF certificated to ensure water safety & meets CEC's requirements to save water with higher pressure water stream. Suitable for 1, 2 or 3 Compartment Professional Grade Commercial Kitchen sink use, ideal for food service, commercial kitchens, restaurants and hotel applications. Durable Construction: Stainless steel spring and zinc alloy lever handle for rust-resistance, hose of sprayer for supporting 100, 000 times of bending, brass faucet cartridge to withstand 500,000 times of opening & closing, perfectly satisfies frequent use. Flexible Sprayer: High-arch spring hose can be easily stretched to any corner, sprayer with strong water pressure to efficiently rinse dishes or utensils. Easy Adjustment: Double lever handles for conveniently adjusting water temperature and flow rate; Valve to control sprayer, lever handle on the middle for opening and closing add-on faucet individually. Anti-leakage Design: Double-layer gaskets on all the joints perfectly enhance leak-tightness of the faucet without concerns about wrapping water blocking tape; Also, extra gasket provided to replace old gaskets for extending the lifespan.