Comparison : Item # 1317-69-432, 3/8" FPT x 1/4" FPT Reducing Coupling Malleable Iron Black Class 300
Item # 1317-69-434, 1/2" FPT x 1/4" FPT Reducing Coupling Malleable Iron Black Class 300
Item # 1317-69-435, 1/2" FPT x 3/8" FPT Reducing Coupling Malleable Iron Black Class 300
Item # 1317-69-438, 3/4" FPT x 1/2" FPT Reducing Coupling Malleable Iron Black Class 300
Item # 1317-69-441, 1" FPT x 1/2" FPT Reducing Coupling Malleable Iron Black Class 300