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Alpine AG-B8FLX4

4" x 25', R-8.0 Insulation, Flexible Ducting

Flexible Ducting Photo with Andrew
Your Price:
 $36.99
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This flexible ducting is manufactured with a galvanized wire helix contained in continuous encapsulating layers of tough polyester film forming a smooth flowing, airtight inner core. The core is surrounded by a thick blanket of fiberglass insulation which is enveloped by a tear-resistant fiberglass scrim. Encasing the entire assembly is a tough, UV-inhibited polyethylene jacket, providing a durable outer vapor barrier.

Standard Features:

  • Maximum velocity: 6000 FPM
  • Maximum positive pressure: 10" W.C.
  • Maximum negative pressure: 1/2" W.C.
  • Operating temperature: -20 to 200°F (Intermittent) / -20 to 180°F (Continuous)
  • Minimum bend radius is equal to the diameter.
  • ETL Listed / Approved
  • Formaldehyde-free fiber glass insulation

90 DEGREE REGISTER BOOTSPriceQuantity
90 Degree Boot
Alpine 90RB2124
2 1/4" x 12" 90° Register Boot, 4" Round Pipe Connection
$4.99  
90 Degree Boot
Alpine 90RB4104
4" x 10" 90° Register Boot, 4" Round Pipe Connection
$4.99  
90 Degree Boot
Alpine 90RB4124
4" x 12" 90° Register Boot, 4" Round Pipe Connection
$4.99  

ADJUSTABLE ELBOWS AND ANGLESPriceQuantity
90 Degree Elbow
Alpine 90AE430
4" Diameter, 30 Gauge 90° Adjustable Elbow
$1.99  

DUCT TAKE-OFFSPriceQuantity
Duct Collar Side
Alpine AG-CLR4
4" Round Duct Take-Off Collar
$2.99  
Take Off with Damper
Alpine TOD4
4" Takeoff with Damper
$6.99  

END BOOTSPriceQuantity
End Register Boot
Alpine ERB2124
2 1/4" x 12" End Register Boot, 4" Round Pipe Connection
$4.99  
End Register Boot
Alpine ERB4104
4" x 10" End Register Boot, 4" Round Pipe Connection
$4.99  
End Register Boot
Alpine ERB4124
4" x 12" End Register Boot, 4" Round Pipe Connection
$4.99  

MISCELLANEOUS DUCTING SUPPLIESPriceQuantity
Alpine AG-DSC Alpine AG-DSC
Duct Sizing Calculator
$14.99  
zip ties
Bay State Cable Ties B36H9L
36" Ties 175lb - 50 Pack
$9.99  

STRAIGHT BOOTSPriceQuantity
Straight Boot
Alpine SRB2124
2 1/4" x 12" Straight Register Boot, 4" Round Pipe Connection
$4.99  
Straight Boot
Alpine SRB4104
4" x 10" Straight Register Boot, 4" Round Pipe Connection
$4.99  
Straight Boot
Alpine SRB4124
4" x 12" Straight Register Boot, 4" Round Pipe Connection
$4.99  

TOOLSPriceQuantity
Product Image Malco FDC2
Flex Duct Shears
$36.99  
 
 
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