Round Duct and Fittings
Rectangular Duct
Flat Oval Duct
Double Wall Insulated Round Duct
Double Wall Insulated Rectangular Duct
Double Wall Insulated Flat Oval Duct
Dura Flange End Connector
Damper Sleeve

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Hot Dipped Galvanized Steel
Hot Rolled
Cold Rolled
Stainless Austenitic 304/304L
Stainless Austenitic 316/316L

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Mill Sepcification 20ga G90

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