HVAC Glass Fiber Air Filters
These are pleated glass fiber filters designed for residential and commercial HVAC systems to capture dust, pollen, and particulates from airflow. Classified under HTS 7019.90.51.40 as glass fiber filters due to their primary construction from non-woven glass fibers meeting Chapter 70 specifications for glass wool derivatives used in filtration.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mounted in a metal or plastic frame as a complete air cleaner intake unit
Assembled into machinery parts, shifts to Chapter 84 for air filtering equipment rather than raw filter media.
If silica content below 60% without qualifying alkaline or boric oxide levels
Fails Chapter 70 glass wool definition, falling to mineral wools and similar products in Chapter 68.
If primarily paper-based with minor glass fiber reinforcement
Material composition dominated by paper changes heading to household filters under Chapter 48.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify silica content exceeds 60% to qualify as glass wool per Chapter 70 notes; provide lab test certificates
• Label filters clearly as 'glass fiber' to distinguish from synthetic or paper media and prevent reclassification
• Include HVAC system compatibility specs in documentation to avoid end-use scrutiny
Related Products under HTS 7019.90.51.40
Cleanroom Glass Fiber Terminal Filters
Final-stage glass microfiber filters for cleanroom ceiling modules, achieving ISO Class 5 air quality. As glass fiber filters for critical environments, under HTS 7019.90.51.40.
Laboratory Glass Fiber Prefilters
Coarse glass fiber filter discs used as prefilters in lab vacuum manifolds to trap large particulates before finer filtration. Falls under HTS 7019.90.51.40 as specialized glass fiber filters derived from glass wool for analytical chemistry applications.
HEPA-Grade Glass Fiber Filter Media Rolls
Continuous rolls of microglass paper made from fine glass fibers for manufacturing high-efficiency particulate air (HEPA) filters. Classified as glass fiber filters under HTS 7019.90.51.40 when in filter media form meeting glass wool criteria.
Automotive Cabin Glass Fiber Filters
Panel filters using glass microfiber media for car HVAC systems to filter road dust, pollen, and odors. HTS 7019.90.51.40 covers these as glass fiber filters for vehicular air purification.
Water Filtration Glass Fiber Depth Cartridges
Spun glass fiber cartridges for residential whole-house water sediment filters, trapping rust and particulates via depth loading. As glass fiber filters, they fall under HTS 7019.90.51.40.
High-Temperature Furnace Glass Fiber Filters
Rigid panel filters from binderless glass fiber for industrial furnaces and kilns, handling temperatures up to 1000°F. HTS 7019.90.51.40 for glass fiber filters in extreme heat applications.