Aluminum Foil Laminated Polypropylene Air Duct Hose from Mexico
Flexible polypropylene hose laminated with aluminum foil and steel wire helix for HVAC ventilation. Classified in HTS 3917.39.00.10 for metal-reinforced plastic hoses used in air conveyance systems. The metal provides shape retention and pressure handling.
Duty Rate — Mexico → United States
13.1%
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
• Certify flame retardancy for building code compliance
• Specify lamination vs embedded reinforcement
• Pitfall: confusing with fabric ducts under textile chapters