Heading 8421

Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases

Chapter 84 · 28 CN codes

• 8421 11 00 00 Centrifugal cream separators
• 8421 12 00 00 Centrifugal clothes-dryers
• 8421 19 20 00 Centrifuges of a kind used in laboratories
• 8421 19 70 00 Centrifuges, incl. centrifugal dryers (excl. apparatus for isotope separation, cream separators, clothes-dryers, and centrifuges of a kind used in laboratories and in the manufacture of semiconductor wafers)
• 8421 21 00 10 Machinery and apparatus for filtering or purifying water
• 8421 21 00 90 Machinery and apparatus for filtering or purifying water
• 8421 22 00 00 Machinery and apparatus for filtering or purifying beverages (excl.water)
• 8421 23 00 10 Oil or petrol-filters for internal combustion engines
• 8421 23 00 90 Oil or petrol-filters for internal combustion engines
• 8421 29 20 00 Machinery and apparatus for filtering or purifying liquids, made of fluoropolymers and with filter or purifier membrane thickness <= 140 μm (excl. those for water and other beverages, and artificial kidneys)
• 8421 29 80 10 Machinery and apparatus for filtering or purifying liquids (excl. such machinery and apparatus for water and other beverages, oil or petrol filters for internal combustion engines, artificial kidneys, and those made of fluoropolymers with filter or purifier membrane thickness <= 140 μm)
• 8421 29 80 90 Machinery and apparatus for filtering or purifying liquids (excl. such machinery and apparatus for water and other beverages, oil or petrol filters for internal combustion engines, artificial kidneys, and those made of fluoropolymers with filter or purifier membrane thickness <= 140 μm)
• 8421 31 00 10 Intake air filters for internal combustion engines
• 8421 31 00 90 Intake air filters for internal combustion engines
• 8421 32 00 10 Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
• 8421 32 00 90 Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
• 8421 39 15 00 Machinery and apparatus for filtering or purifying gases, with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm
• 8421 39 25 10 Machinery and apparatus for filtering or purifying air (excl. intake air filters for internal combustion engines, and those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm)
• 8421 39 25 90 Machinery and apparatus for filtering or purifying air (excl. intake air filters for internal combustion engines, and those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm)
• 8421 39 35 10 Machinery and apparatus for filtering or purifying gases other than air by a catalytic process (excl. those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm, and catalytic converters for exhaust gases from internal combustion engines)
• 8421 39 35 90 Machinery and apparatus for filtering or purifying gases other than air by a catalytic process (excl. those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm, and catalytic converters for exhaust gases from internal combustion engines)
• 8421 39 85 10 Machinery and apparatus for filtering or purifying gases other than air (excl. isotope separators, those using a catalytic process, those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm, and particulate filters for exhaust gases from internal combustion engines)
• 8421 39 85 90 Machinery and apparatus for filtering or purifying gases other than air (excl. isotope separators, those using a catalytic process, those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm, and particulate filters for exhaust gases from internal combustion engines)
• 8421 91 00 00 Parts of centrifuges, incl. centrifugal dryers, n.e.s.
• 8421 99 10 00 Parts of machinery and apparatus of subheadings 84212920 or 84213915, n.e.s.
• 8421 99 90 10 Parts of machinery and apparatus for filtering or purifying liquids or gases, n.e.s.
• 8421 99 90 92 Parts of machinery and apparatus for filtering or purifying liquids or gases, n.e.s.
• 8421 99 90 99 Parts of machinery and apparatus for filtering or purifying liquids or gases, n.e.s.