Enlarge Johns Manville Duct Board, 1"x48"x120" R-4 Fiberglass
Johns Manville Duct Board, 1"x48"x120" R-4 Fiberglass

Johns Manville Duct Board, 1"x48"x120" R-4 Fiberglass SKU: MI1DB MFG Part Number: MI1DB

$67.08
$111.80
Duct Board, 1"x48"x120" R-4 Fiberglass

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Fiberglass Duct Board
- Ideal for fabrication into rectangular 
ductwork for HVAC systems 
- Molded with double-density  
male/female edges for secure  
connections 

Fiberglass Duct Board
- Ideal for fabrication into rectangular 
ductwork for HVAC systems 
- Molded with double-density  
male/female edges for secure  
connections 

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  • MI1DB

    Duct Board, 1"x48"x120" R-4 Fiberglass
  • $67.08
    $111.80