【Function】This elbow adapter with 1/2 NPT male ends is designed to install a wall mount commercial faucet on the backsplash of Stainless Steel Commercial Kitchen Prep & Utility Sink 【Design】Low Lead Compliant High Quality Brass Material.One-piece construction prevents if from leaking 【Install】Connect the longer end to the back of wall mount faucet,the shorter end to water line,against washes at the back of Stainless Steel sink by lock nuts to secure faucet. Fit better for various faucets