Unico System® UPC Duct Takeoff, Spin-In, For Use With: 1 Inch Fiberglass Ductboard
The UPC-23B is a take-off adapter used to start you run with the flexible supply tubing. It is inserted into a pre-made hole (with the use of the UPC-55 hole cutter) on the main fiberglass supply duct and connects to a supply tubing with its other end.