Boiler Draft Fan Silencer from Canada
Acoustic silencer for induced draft fans in boiler systems, under HTS 8404.10.0050 as auxiliary plant. Reduces noise while maintaining required draft pressure differentials.
Duty Rate — Canada → United States
13.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document acoustic attenuation and pressure drop specifications
• Include fan airflow matching data
• Avoid general silencer classification