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SMC AF-D Series Pneumatic Particulate Filter

SMC AF-D filters remove solid particulates from compressed air lines at pressures ≥550 kPa, used in robotic pneumatic circuits. It qualifies for HTS 8421.39.0160 due to its role in pneumatic fluid power systems for gas purification.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

8421.39.01Same rate: 37.5%

If for non-pneumatic compressed air systems <550 kPa

General 'other' gas filters without high-pressure pneumatic rating go here.

8479.89Lower: 15% vs 37.5%

If specialized for semiconductor wafer processing cleanrooms

Semiconductor manufacturing apparatus has specific statistical provisions overriding general filters.

9032.89.60Higher: 39.2% vs 37.5%

If with automatic self-cleaning mechanisms

Apparatus for purifying gases with automatic control features classified as control instruments.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Submit CAD drawings or datasheets confirming pneumatic port sizes (e.g

• NPT, BSP) and pressure specs

• Ensure no semiconductor-specific claims to avoid Chapter 84 statistical notes reclassification