Photo 1 of PATIKIL 6 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System

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Photo 1 of PATIKIL 6 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC SystemPhoto 2 of PATIKIL 6 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System