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DESCRIPTION

Flexible Technologies 25 ft. Polyester R4.2 Insulated Flexible Air Duct

FKMR4225BOX

Diameter:

SPECIFICATIONS

ASTM Specifications
ASTM C518
Diameter
4 in
Duct Shape
Round
Length
25 ft
Material
Plastic, Steel
Material Type
Polyester
Maximum Airflow
5000
R value
R4.2
UL Listed
UL 181 Class 1

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