Lambro #246 6" Aluminum Duct Connector Go to amazon.com Related posts Check expert advices for ducting 6? Feature"LAMBRO INDUSTRIES" ALUMINUM DUCT CONNECTORSize : 6"Aluminum flexible duct connectorUsed for connecting 2 lengths of 6" flexible aluminum duct togetherConnector made of 6" galvanized pipe DescriptionFor flexible aluminum duct.