ELBOW, ELBOW, FOR PIPE SIZE 2 IN, CORROSION RESISTANT YES, CAST IRON, GRAY, ZINC-PLATED, FOR ACTUAL PIPE OUTER DIAMETER 2 3/8 IN, OVERALL LENGTH 4 3/4 IN, CONNECTION FITTING, INSIDE DIAMETER 2 1/2 IN, ASTM A 47, ASTM A53, ASTM B117