HS Code 8421.39
Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines
8421.39.01
General Duty: Free
Filtering or purifying machinery and apparatus for gases, other than intake air filters or catalytic conv. for internal combustion engines
8421.39.01.05
KGS
For machine tools of headings 8456 through 8465, inclusive
8421.39.01.15
KGS
Other
8421.39.01.20
NOS
Electrostatic precipitators
8421.39.01.30
NOS
Other
8421.39.01.40
NOS
Gas separation equipment
8421.39.01.60
NOS
Pneumatic fluid power filters, rated at <il>550 kPa</il> or greater
8421.39.01.90
KGS