Royal Metal Products

4 in. x 25 ft. Polyester R8 Flexible Air Duct

Part #R904R84  |  Manufacturer Part #904R84


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Product Details



ASTM Specifications: ASTM C518

Diameter: 4 in

Duct Shape: Round

Inside Diameter: 4 in

Length: 25 ft

Material: Plastic

Material Type: Polyester

Maximum Airflow: 5500

R value: R8

UL Listed: Yes