7303.00.00.90/Cast Iron Chimney Flue Pipe/Canada

Cast Iron Chimney Flue Pipe from Canada

Cylindrical hollow cast iron pipe for venting smoke and gases from fireplaces or boilers. Under HTS 7303.00.00.90 as other cast iron pipes, not specialized for pressure or drilling. Its thick walls ensure heat resistance and longevity.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Include fire safety certifications to support non-pressurized flue classification

• Document inner diameter specs to differentiate from boiler tubes