Westinghouse W4HA6 Air Filter Rack from Canada
The Westinghouse W4HA6 filter rack holds MERV-rated filters in air handler cabinets of air conditioning systems, maintaining air quality during temperature/humidity processing. HTS 8415.90.80 encompasses filter housing assemblies for AC fan systems.
Duty Rate — Canada → United States
11.4%
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
• Filter size tolerances (1/8" increments) critical for sealing performance
• Galvanized sheet metal gauges specified for structural integrity
• Static pressure drop data supports airflow claims