Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze. Cast Bronze. Cast hex for easier installation. Curved 90 degrees. Technical Information:. Pipe Size Inches: 3/4. Hose Size Inches: 3/4. Length Overall Inches: 4-1/2. Model Number: 0063DP5PLB. Ship Weight: 2.1/9.1. *The above item meets the requirements of U.S.C.G. Safety Standards, January. 31, 1977 for gasoline fuel systems, 33 CFR 183.