Mining Ventilation Dust Filter from Canada
High-capacity pleated filters for underground mine ventilation shafts scrubbing silica dust from worker breathing air. Under HTS 8421.39.0190 as other gas filters for harsh environments.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• MSHA approval certificates mandatory for US mine use
• Static-dissipative media specs required for explosive dusts