Laboratory Glass Fiber Prefilters from Canada

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.

Duty Rate — Canada → United States

14.3%

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

Provide chemical composition analysis confirming fused silica or glass wool specs per Chapter notes

Declare as 'prefiltration media only' to avoid classification as lab glassware under 7017

Watch for contamination risks; ensure cleanroom packaging documentation

Laboratory Glass Fiber Prefilters from Canada — Import Duty Rate | HTS 7019.90.51.40