Coupling, Ductile Iron, 3 1/2 x 3 in

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• Brand Gruvlok
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• Description Concentric Reducer Coupling, Ductile Iron, Painted, Grade B, Class Class 150, For Pipe Schedule 40, 3 1/2 in, Grooved, 4 in, 3 in, Grooved, 3 1/2 in, 300 psi @ 150 Degrees F Maximum Operating Pressure