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Hot Air Plenum Transition

Steel adapter fitting converting rectangular plenum to round duct for hot air distributors. Custom fabricated for non-electric air heaters. HTS 7322.90.00 distributor part.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+50.0%50%
🇲🇽MexicoFree+25.0%25%
🇨🇦CanadaFree+25.0%25%
🇩🇪GermanyFree+25.0%25%
🇯🇵JapanFree+25.0%25%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7308.90Lower: 10% vs 50%

If general duct fittings

Steel structures including generic ductwork.

7307.99.50Higher: 79.3% vs 50%

If simple pipe adapters

Tube/pipe fitting classification.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify air heater system compatibility

Gauge thickness and fabrication method details

Galvanized coating certificates

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