7/8 Male O-Ring Boss x 3/4 Female National Pipe Straight Mechanical Swivel 90° ElbowThe 1 1 16 12 x 3 4 Male O Ring Boss x Female National Pipe Straight Mechanical 90 Swivel Elbow is a superior quality fitting designed to provide a secure and leak free connection while allowing easy hose routing in tight spaces. The 90 degree swivel elbow helps to avoid hose twisting and facilitates a more efficient fluid flow direction. Built from high grade steel that offers excellent corrosion resistance and strength. Specification Value TYPE Male