FLEX STUB COLLAR 645


 

SIZE         ITEM        QTY
5"...........4572.........12
6"...........4573.........12
7"...........4574.........12
8"...........4575.........12
10"..........4577.........12
12"..........4578.........12
14"..........4579.........12
16"..........4570.........10


 


573-574 collar - long starting collar used as a starting collar with or without damper for pipe and/or insulated flex duct.  5 1/2" overall length.  645 - long starting collar with strapping bead used to install insulated flexible duct.  Overall length - 5 1/2" (undersized OD for easy flex duct connection.)  647, 648, 656, 657, 657 - takeoffs used with duct board.  660, 661 - "quick seal" takeoffs - starting collar with a 1 1/2" wide, self-adhesive gasket/flange has four pre-punched holes for attaching to metal duct work or duct board with the use of special fasteners.