Residential Flex Connector Flexible duct connectors are widely used in air conditioning systems for commercial, industrial and residential applications. SKU JBX Product Details | Specifications | Check Inventory Please select JBX BLK EXCELON CONN 100'BLUEDISCONTINUED --> USE JBX-10JFF-100 BL EXCELON CONN BLUEDISCONTINUED --> USE JFF10JUNIOR FLEX CONNECT. DUROLON MB6X4-100 SUPER EXCELON #10160MBX333 BLK EXCELON CONN ORANGEDISCONTINUED --> USE MBX-10MBX444 FLEX FOR TDF/TDC REDMBX 4X6X4 TDC/TDF EXCELON CONNMBX4x4x4 S/S FLEX CONNECTORMFD444 DUROLON CONN 10237 REDMFN333 NEOPRENE CONN 100' ORNGMFN444 NEOPRENE CONN 100' REDDISCONTINUED MFT333 THERMAFAB10" X 20" FLEX CONNECTOR 17" X 20" FLEX CONNECTOR 20" X 14" FLEX CONNECTOR 20" X 16" FLEX CONNECTOR 20" X 20" FLEX CONNECTOR 24" X 20" FLEX CONNECTOR 25" X 12" FLEX CONNECTOR Log in to view price