HVAC Microporous Polyethylene Filter Media from Canada
Microporous PE sheet media for HVAC particulate filters, capturing fine dust while allowing airflow. HTS 3921.19.0010 for cellular microporous polyethylene film classification.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• ASHRAE 52.2 MERV documentation supports efficiency claims without changing material classification
• Rolls classified as film; pleated/potted assemblies become 8421.39 filters
• Fire rating UL 900 compliance; provide test reports for safety verification