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HS code for air purifying filters
In the UK Trade Tariff’s list of everyday names, “air purifying filters” points to heading 8421: centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. Check the description and the notes of the chapter before declaring: the right code depends on what the goods are made of and how they are used.
In the UK Global Tariff, 8421 covers 28 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides 8421 into 18 tariff lines; the duty is between 0% and 2.7% (average 1.4%). 4 of them are duty-free.
In the Turkish Customs Tariff Schedule, 8421 covers 30 tariff lines and the duty is between 0% and 2.7%. 7 of them are duty-free.
Duty rates compared
UK Free Third-country duty 28 tariff lines 
EU Free – 2.7% Third-country duty 18 tariff lines · average 1.4% 
Türkiye Free – 2.7% Third-country duty 30 tariff lines · average 1.4% 
USA Free – 2.5% General (MFN) 14 tariff lines · average 0.5% 
Canada Free General (MFN) 24 tariff lines 
Mexico Free – 15% General (MFN) 41 tariff lines · average 2.4% 
Brazil 7.2% – 20% General (MFN) 26 tariff lines · average 14.6% 
Argentina Free – 20% General (MFN) 47 tariff lines · average 11.8% 
Peru Free General (MFN) 23 tariff lines 
New Zealand Free – 5% General (MFN) 47 tariff lines · average 1.9% 
Japan Free General (MFN) 16 tariff lines 
Taiwan Free – 10% General (MFN) 25 tariff lines · average 3.7% 
GCC Free – 5% General (MFN) 27 tariff lines · average 3.3% 
Switzerland Free General (MFN) 12 tariff lines 
Norway Free General (MFN) 14 tariff lines 
North Macedonia Free – 15% General (MFN) 18 tariff lines · average 1.4% 
Nigeria 5% – 10% General (MFN) 15 tariff lines · average 6% See also
- cyclones
- centrifuges
- spin dryers
- fuel filters
- gas scrubbers
- smoke filters
- tumble dryers
- water filters
- dust extractors
- cream separators
- absorption towers
- intake air filters
- air filter elements
- catalytic converters
- baffles (filter parts)
- hot tub water purifier
- laboratory centrifuges
- water purifying systems
- filters for boiler water
- filter presses, for gases
- filter presses, for liquids
- baffles, parts of centrifuges
- direct fired thermal oxidiser
- centrifugal clarifiers for milk
- centrifugal driers for laundries
- electro magnetic water purifiers
- perforated plates for gas filters
- rotary drums for liquid or gas filters
- water purifying machinery and apparatus
- oil filters for internal combustion engines
- electrostatic filters for air or other gases
- fuel filters for internal combustion engines
Questions and answers
What is the HS code for air purifying filters?
Air purifying filters are classified under 8421 (Centrifuges, including centrifugal dryers; filtering or purifying machinery and…) in the Harmonized System. National tariffs add more digits; see the lines on this page.