Atco Flex Duct, 5"x25' Ins R4.2 Alum Foil UPC018 SKU: EM540 MFG Part Number: EM540

$39.85
$79.70
Flex Duct, 5"x25' Ins R4.2 Alum Foil UPC018

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Insulated Flexible Duct - 30 Series
- Class 1 Air Duct - UL 181 
- Tri-directional fiberglass scrim 
reinforced, metalized polyester 
outer jacket 
- Air-tight inner core 
- Encapsulated wire helix - no 
unraveling when cut, quick installation 
- Smooth inner core for low friction loss 
- Thick blanket of fiberglass insulation 
#030 Double Ply Polyester Core R-Value 4.2 

Insulated Flexible Duct - 30 Series
- Class 1 Air Duct - UL 181 
- Tri-directional fiberglass scrim 
reinforced, metalized polyester 
outer jacket 
- Air-tight inner core 
- Encapsulated wire helix - no 
unraveling when cut, quick installation 
- Smooth inner core for low friction loss 
- Thick blanket of fiberglass insulation 
#030 Double Ply Polyester Core R-Value 4.2 

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  • EM540

    Flex Duct, 5"x25' Ins R4.2 Alum Foil UPC018
  • $39.85
    $79.70