DESCRIPTION

Flexible Technologies 4 in. x 25 ft. Polyester R4.2 Insulated Flexible Air Duct

FKMR42P25BOX

Manufacturer Part #: 0537-0400-0001

Diameter:

SPECIFICATIONS

ASTM Specifications
ASTM C518
Diameter
4 in
Duct Shape
Round
R value
R4.2
UL Listed
UL 181 Class 1

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