Zinc Galvanized HVAC Duct Coupling from Mexico
A cylindrical zinc sleeve coupling used to join HVAC duct pipes for air distribution systems. Classified under HTS 7907.00.20.00 as a zinc tube or pipe fitting for mechanical joining in ventilation applications.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare exact zinc content and alloy status; chapter notes distinguish pure zinc from alloys affecting duty rates
• Include HVAC system certification to prove civilian end-use and avoid anti-dumping scrutiny on Chinese-origin goods