Mining Ventilation Dust Filter from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• MSHA approval certificates mandatory for US mine use
• Static-dissipative media specs required for explosive dusts