Photo 1 of Delisheng Duct Connector Flange Metal Straight Pipe Flange for Heating Cooling Ventilation System 12 Inch (11.49inch)

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Photo 1 of Delisheng Duct Connector Flange Metal Straight Pipe Flange for Heating Cooling Ventilation System 12 Inch (11.49inch)Photo 2 of Delisheng Duct Connector Flange Metal Straight Pipe Flange for Heating Cooling Ventilation System 12 Inch (11.49inch)