Steel Flex-Duct Connector with Band Clamp Fittings
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with small wheels/casters
Mobile duct units with castors (under 75mm) shift to Chapter 83 hardware.
Not sure which classification is right?
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Import Tips & Compliance
• Include SMACNA gauge thickness certification for duct connectors
• Document clamp band adjustment range and sealing pressure
• Test airflow velocity capacity per duct standards
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