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  • Galvanized steel construction
  • Fasteners included for steel plenums
  • Use Series P175 fasteners for attaching collar to fiberglass plenums such as our Series P
  • Two catch tabs to help secure flex duct
  • Available sizes: 6”, 7”, 8”, 9” 10”, 12”
  • Made in the U.S.A.

Installation Notes

  • Steel Plenums: The attached mushroom fasteners align with mounting holes on the steel plenums of Continental T-Bar diffusers. Simply align the holes and push in the fasteners to secure the collar.
  • Fiberglass Plenums:
    • Remove the mushroom fasteners included with the stock 5400 collar.
    • Place the collar onto the fiberglass plenum in the desired location.
    • Mark the location of the fourholes by pushing a small screwdriver or awl through the collar holes and through the fiberglass plenum.
    • IMPORTANT: Use the P175 fasteners and work from INSIDE the fiberglass plenum to the collar on the outside. (Head in fiberglass plenum; barbed end in 5400 collar.)

Part #DescriptionCtn QtyList Price Each
54 066" diameter12--
54 077" diameter12--
54 088" diameter12--
54 099" diameter12--
54 1010" diameter10--
54 1212" diameter10--
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