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Alpine AG-B4FLX12

12" x 25', R-4.2 Insulation, Flexible Ducting

(3 Reviews)
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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

Duct Diameter

The interior diameter of the round duct.

Duct Diameter
12 inches
ADJUSTABLE ELBOWS AND ANGLES
90 Degree Elbow
Alpine 90AE1228

12" Diameter, 28 Gauge 90° Adjustable Elbow

$14.99 Qty:
DUCT TAKE-OFFS
Duct Collar Side
Alpine AG-CLR12

12" Round Duct Take-Off Collar

$4.99 Qty:
Take Off with Damper
Alpine TOD12

12" Takeoff with Damper

$15.99 Qty:
MISCELLANEOUS DUCTING SUPPLIES
zip ties
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36" Ties 175lb - 50 Pack

$9.99 Qty:
TOOLS
640-UL25
Diversitech 640-UL25

Diversitech 640-UL25 Foil Tape

$19.99 Qty:
Product Image
Malco FDC2

Flex Duct Shears

$38.99 Qty:
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