Brass Corrugated Gas Flex Connector
CSST (corrugated stainless steel tubing) style brass flex line with flare fittings for dryers and ranges. Under HTS 8307.90.3000 for base metal flexible tubing with fittings used in gas appliances.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded rigid connectors
Welded steel pipes/pipes fittings under Chapter 73, not flexible.
If for lab or testing equipment
Precision gas lines for instruments shift to Chapter 90 lab apparatus.
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Import Tips & Compliance
• Require ICC-ES or UL listing for CSST to pass customs and building code scrutiny
• Document yellow jacket/OD sizing precisely for gas-only designation
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