Shop

Return Plenum “Coffin Box”
Return Plenum “Coffin Box” View 2
Return Plenum “Coffin Box” View 3

Return Plenum “Coffin Box”


Use where a Metal Insulated Box is needed for Return Air. Set unit and tap in along side or bring in from backside.

  • Easy Installation
  • Sturdy Construction
  • Galvanized Exterior
  • Internally Insulated (R6 Typical)
  • Center Bracing for Additional Support
  • Custom Sizes Available

Specifications

Part # W D H
56-4621-20 46" 21" 20"
56-4622-20 46" 22" 20"
56-4824-20 48" 24" 20"
56-2420-20 24" 20" 20" 1/2 Box
Stand Part # W D H
33-4608-24 14" - 25" 46" 8"