Paper Pulp Slab for Laboratory Air Filtration
Specialized slabs from high-purity paper pulp for cleanroom and lab fume hood air filtration. Falls under HTS 4812.00.00.00 as filter slabs of paper pulp per the tariff definition.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If light-weight coated paper <72g/m² with mechanical pulp base
Coated lightweight papers for printing/filtering go to 4810 if dual-coated.
If sold as sets with other lab consumables
Paper article sets for lab use classified in 4823, not individual filter slabs.
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
• Provide HEPA or ULPA equivalence documentation and low-particulate pulp certificates
• Use ISPM 15 compliant packaging for lab-sensitive imports to prevent contamination claims
Related Products under HTS 4812.00.00.00
Molded Paper Pulp Filter Plate for Wine Filtration
Plates molded from cellulose paper pulp for clarifying wine by removing sediments during production. HTS 4812.00.00.00 covers these as paper pulp filter plates.
Paper Pulp Filter Block for Aquarium Systems
Blocks of compressed paper pulp for biological and mechanical filtration in home and commercial aquariums. Classified under HTS 4812.00.00.00 for paper pulp filter blocks.
Industrial Paper Pulp Slab for Paint Filtration
Heavy-duty slabs from paper pulp for filtering impurities from industrial paints and coatings. HTS 4812.00.00.00 for filter slabs of paper pulp.
Paper Pulp Filter Plate for Coffee Brewing
Reusable plates of paper pulp for commercial coffee percolators to filter grounds. Under HTS 4812.00.00.00 as filter plates.
High-Density Paper Pulp Filter Block for Beer
Dense blocks for diatomaceous earth replacement in beer clarification. HTS 4812.00.00.00 filter blocks.
Paper Pulp Filter Block for Water Purification
A rigid block made from compressed paper pulp designed specifically for filtering impurities from drinking water in residential systems. It falls under HTS 4812.00.00.00 as it is a filter block explicitly made of paper pulp, meeting the heading's criteria for blocks, slabs, and plates used in filtration.