4inch X 2inch/3inch X 2inch,Tri Clamp Copper Reducer With 1/2"(DN15) Thermometer Connector For Distillation,Concentric Reducer

4inch X 2inch/3inch X 2inch,Tri Clamp Copper Reducer With 1/2"(DN15) Thermometer Connector For Distillation,Concentric Reducer

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