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+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

7308.90Lower: 10% vs 35%

If general duct fittings

Steel structures including generic ductwork.

7307.99.50Higher: 39.3% vs 35%

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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