Royal Metal Products

18 in. x 25 ft. Polyester R4.2 Flexible Air Duct

Part #R901R418  |  Manufacturer Part #901R418

Diameter:

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Product Details

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Specifications

ASTM Specifications: ASTM C518

Diameter: 18 in

Duct Shape: Round

Length: 25 ft

Material: Plastic, Steel

Material Type: Polyester

Maximum Airflow: 5500

R value: R4.2

UL Listed: UL 181 Class 1