Photo 1 of HVAC OV 6"" Inch Pack of 2 Plastic Straight or Flexible Pipe Flange for Extraction Fans, Heating and Cooling Duct Connection. Round Duct Connector Flange, White

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Photo 1 of HVAC OV 6"" Inch Pack of 2 Plastic Straight or Flexible Pipe Flange for Extraction Fans, Heating and Cooling Duct Connection. Round Duct Connector Flange, WhitePhoto 2 of HVAC OV 6"" Inch Pack of 2 Plastic Straight or Flexible Pipe Flange for Extraction Fans, Heating and Cooling Duct Connection. Round Duct Connector Flange, White