Comparison : Item # 1031-1967-61-24-24, 1-1/2" Tube O.D. x 1-1/2" Tube O.D. Flange Steel FPT-Flange O-Ring Face 90° Elbow Code 61
Item # 1031-1967-61-32-32, 2" Tube O.D. x 2" Tube O.D. Flange Steel FPT-Flange O-Ring Face 90° Elbow Code 61