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Ceiling Radiation Damper Boots-Cans

1 hour Tapered Steel CRD Damper Box (un-insul)
1 hour Tapered Steel CRD Damper Box (un-insul) (57)

CRD Boots 45

1 Hour Steel CRD Damper Box (Un-insul)
1 Hour Steel CRD Damper Box (Un-insul) (80)

CRD w/Sleeve and/or Fiberglass Plenum for Grills
CRD w/Sleeve and/or Fiberglass Plenum for Grills (39)

1 Hour Steel CRD Damper Box (Insulated)
1 Hour Steel CRD Damper Box (Insulated) (72)

CRD w/Sleeve and/or Fiberglass Plenum for Drop Ducts
CRD w/Sleeve and/or Fiberglass Plenum for Drop Ducts (39)