| 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 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other | | | |
| 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 |
| 8421.39.20 | 00 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Catalytic converters for the motor vehicles of Chapter 87 | NMB | Free | CCCT, LDCT |
| 8421.39.90 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other | NMB | Free | CCCT, LDCT |
| 8421.39.90 | 10 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other - Dust extractors or smoke filters | NMB | Free | CCCT, LDCT |
| 8421.39.90 | 30 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other - Electrostatic filters (precipitators) | NMB | Free | CCCT, LDCT |
| 8421.39.90 | 40 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other - Industrial gas cleaning equipment | NMB | Free | CCCT, LDCT |
| 8421.39.90 | 50 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other - Gas separation equipment | NMB | Free | CCCT, LDCT |
| 8421.39.90 | 90 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Filtering or purifying machinery and apparatus for gases: - Other - Other - Other: - Other | NMB | Free | CCCT, LDCT |
| 8421.91 | | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Parts: - Of centrifuges, including centrifugal dryers | | | |
| 8421.91.10 | 00 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Parts: - Of centrifuges, including centrifugal dryers - Drying chambers for clothes-dryers and other parts of clothes-dryers incorporating drying chambers | - | Free | CCCT, LDCT |
| 9003.19.00 | | Frames and mountings for spectacles, goggles or the like, and parts thereof. - Frames and mountings: - Of other materials | NMB | Free | CCCT, LDCT |
| 9007.20.90 | 00 | Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus. - Projectors - Other | NMB | 6% | CCCT, LDCT |
| 9012.10.00 | 00 | Microscopes other than optical microscopes; diffraction apparatus. - Microscopes other than optical microscopes; diffraction apparatus | - | Free | CCCT, LDCT |
| 9014.80 | | Direction finding compasses; other navigational instruments and appliances. - Other instruments and appliances | | | |
| 9014.80.90 | 90 | Direction finding compasses; other navigational instruments and appliances. - Other instruments and appliances - Other - Other | NMB | | |
| 9014.90.00 | 90 | Direction finding compasses; other navigational instruments and appliances. - Parts and accessories - Other: - Other | - | | |
| 9032.10 | | Automatic regulating or controlling instruments and apparatus. - Thermostats | | | |
| 9032.81.00 | 00 | Automatic regulating or controlling instruments and apparatus. - Other instruments and apparatus: - Hydraulic or pneumatic | NMB | Free | CCCT, LDCT |
| 91.11 | | Watch cases and parts thereof. | | | |
| 8421.91.20 | 00 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. - Parts: - Of centrifuges, including centrifugal dryers - Furniture designed to receive clothes-dryers | - | Free | CCCT, LDCT |
| 9305.10.00 | | Parts and accessories of articles of headings 93.01 to 93.04. | - | 3.5% | CCCT, LDCT |
| 9305.10.00 | 60 | Parts and accessories of articles of headings 93.01 to 93.04.
- Silencers (sound moderators) and parts thereof | - | | |
| 9305.20 | | Parts and accessories of articles of headings 93.01 to 93.04.
- Of shotguns or rifles of heading 93.03: - Of shotguns or rifles of heading 93.03 | | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
