Corrugated Steel Flexible Chimney Liner from Japan
Alloy steel flexible liner tubing installed within masonry chimneys for venting wood/pellet stoves. Falls under HTS 8307.10.60.00 as other flexible steel tubing for high-temperature applications. UL-1777 listed for safety.
Duty Rate — Japan → United States
13.8%
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
Import Tips
• Provide UL listing and temperature ratings (up to 1800°F) documentation
• Declare stainless steel alloy composition for proper duty assessment
• Coil diameters must match chimney sizes (6-8 inches typical)