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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• MSHA approval certificates mandatory for US mine use
• Static-dissipative media specs required for explosive dusts