Master Flow 12 in. Flexible Duct and Sheet Metal Connector Splice Collar

Master Flow Flexible Duct and Sheet Metal Connector Splice Collar serve as a coupling between two sections of insulated flexible duct. Both ends of the connector have a bead to provide adequate holding power. Each end is also crimped to ensure an easy fit every time.|2 stop beads provide adequate holding power for 2 separate tie straps|Crimped on both sides for an easy fit|Always seal seams with code approved mastic, sealant or duct tape (not included)|Install with sheet metal screws|Features a maximum temperature rating of 390 degree F