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7303.00.00.90/Cast Iron Chimney Flue Pipe/Mexico

Cast Iron Chimney Flue Pipe from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Cast Iron Chimney Flue Pipe from Mexico — Import Duty Rate | HTS 7303.00.00.90