1840 40 Series Rip Stop Flex Duct With R 4.2 Insulation, 18" Dia, 25' L, 6000 fpm, Fiberglass | First Supply

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1840 40 Series Rip Stop Flex Duct With R 4.2 Insulation, 18" Dia, 25' L, 6000 fpm, Fiberglass

1840 40 Series Rip Stop Flex Duct With R 4.2 Insulation, 18" Dia, 25' L, 6000 fpm, Fiberglass

Item #QFX1840

MFG #1840

UPC878640001844

BrandQuietflex®

: Johns Manville Formaldehyde-free™ fiber glass insulation

GREENGUARD® certified insulated products

Galvanized or bronze metal core reinforcing

Oversized core to fit on collars and register boxes

Weather-resistant packaging
: Diameter18 in
Flow Rate6000 fpm
Length25 ft
MaterialFiberglass
FinishSilver
ManufacturerQuietflex Manufacturing
Manufacturer #1840
Series40 Series
TypeRip Stop
Vapor TransmissionAt or Below 0.05 perms

: Instruction/Installation Manual
Specification Sheet

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