| 8421.31 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Intake air filters for internal combustion engines | | | |
| 8421.31.10 | 00 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Intake air filters for internal combustion engines - null | NMB | Free | CCCT, LDCT |
| 8421.31.90 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Intake air filters for internal combustion engines - Other | NMB | Free | CCCT, LDCT |
| 8421.31.90 | 10 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Intake air filters for internal combustion engines - Other - Air filters, for motor vehicles of Chapter 87 | NMB | Free | CCCT, LDCT |
| 8421.31.90 | 90 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Intake air filters for internal combustion engines - Other - Other | NMB | Free | CCCT, LDCT |
| 8421.39.10 | 00 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Air filter masks;Air filter systems for breathing apparatus;Air separators to be employed in the processing, smelting or refining of minerals, ores or metals;Air strippers;Class smoke evacuation cart systems;Dry cleaning solvent vapour absorbers;Filter breather systems for hydraulic reservoirs;Filters for breathing apparatus;Filtration booths, pharmaceutical preparation type;High efficiency particulate (hepa) air filters of an efficiency exceeding 99.5% (0.3 micron particulate size);High pressure air filters for air compressors;Industrial refrigerant strainers;Laundry lint filters;Sterilization cartridges;Suction line filter driers;Ultraviolet airborne disinfection systems;Y-strainers, basket strainers, duplex strainers and automatic (self-cleaning) strainers, made from plastic or having a body manufactured by a metal casting process | NMB | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
