Steel Flex-Duct Connector with Band Clamp Fittings from Japan
Galvanized steel flexible duct connector with adjustable band clamp fittings for HVAC round ductwork. Under HTS 8307.10.30.00 as flexible iron/steel tubing with fittings for air distribution. Vibration isolation reduces noise transmission.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include SMACNA gauge thickness certification for duct connectors
• Document clamp band adjustment range and sealing pressure
• Test airflow velocity capacity per duct standards