Steel Flexible Ventilation Duct Connector from Germany
Round flexible steel tubing with helical corrugations for connecting HVAC ductwork, allowing movement and vibration isolation. Under HTS 8307.10.60.00 as other flexible steel tubing for air handling systems. Diameters typically 4-12 inches.
Duty Rate — Germany → United States
28.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include airflow velocity ratings and fire resistance test results per UL standards
• Specify gauge thickness (e.g
• 28-30 ga.) for proper statistical reporting
• Bundle with clamps if sold as sets to maintain flexible tubing classification