DESCRIPTION

  • Damper is Duro Dyne Rapit Regulator 5-piece with handle
  • Flange is 1" wide and corrugated for added durability
  • Starting collars are assembled with 1/8" x 1/8" Zinc-coated Steel rivets and are rolled formed with 1 1/2" crimp and 3/8" convex beads for branch duct connection

Royal Metal Products 30 ga Duct Board Collar with Damper

R310F

Diameter:

SPECIFICATIONS

Diameter
4 in
Gauge
30
Height
6 in
Material
Galvanized Steel

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