HS code for air purifiers

HS code

8421.39

US HTS code

8421.39.01

US general duty

Free

Source: USITC Harmonized Tariff Schedule, Revision 21 (2026), effective 10/09/2026 · checked 2026-10-28

Air purifiers are filtering machinery for gases, 8421.39.

US tariff lines under 8421.39

US HTS code	Description	General duty
8421.39.01	Filtering or purifying machinery and apparatus for gases › Other 7 statistical suffixes (10-digit codes) 8421.39.01.05 — Dust collection and air purification equipment › For machine tools of headings 8456 through 8465, inclusive 8421.39.01.15 — Dust collection and air purification equipment › Other 8421.39.01.20 — Other › Industrial gas cleaning equipment › Electrostatic precipitators 8421.39.01.30 — Other › Industrial gas cleaning equipment › Other 8421.39.01.40 — Other › Gas separation equipment 8421.39.01.60 — Other › Other › Pneumatic fluid power filters, rated at 550 kPa or greater 8421.39.01.90 — Other › Other › Other	Free

Import duty on air purifiers by country

Import into the US

Free

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Import into the UK

See commodity codes ›

Import into the EU

0% – 1.7%

See CN codes ›

Extra duties may apply

The general rate applies to most countries. Imports from some countries also pay additional duties under Chapter 99 of the HTS, such as Section 301 tariffs on many Chinese goods. Check the current measures for your country of origin before you order.

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Frequently asked questions

Q1What is the HS code for air purifiers?

The international HS code for air purifiers is 8421.39. Air purifiers are filtering machinery for gases, 8421.39.

Q2What is the US import duty on air purifiers?

Under HTS 8421.39.01, the US general duty rate is Free. Goods from some countries pay additional duties on top of this rate.

Q3What is the 10-digit HTS code for air purifiers?

The first 8 digits set the duty; the last 2 are statistical and depend on details such as material or who the product is for. The full list of US codes under 8421.39 is in the table above.

Q4Is the HS code the same in every country?

The first 6 digits (8421.39) are the same in every country that uses the Harmonized System. The digits after that, and the duty rates, are set by each country.

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New to customs terms? Read what an HS code is and our guide on how to calculate landed cost.

Classification guidance only, not a binding ruling or customs advice. The right code depends on your product’s exact material, function and construction. For certainty, request a binding ruling from U.S. Customs and Border Protection or ask a licensed customs broker.