Cast Iron Gas Vent Pipe 4-inch from Canada
4-inch cast iron pipe for venting natural gas appliances like boilers in commercial settings. HTS 7303.00.00 for this hollow cast iron profile resistant to high temperatures.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• NFPA 54 compliance docs; specify draft hood connections
• Insulate bundles for cold weather ports to prevent brittleness