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7019.90.51.40/Laboratory Glass Fiber Prefilters/Canada

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

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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