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SITCSection 7
U.S. imports of filters and purifying machinery for liquids, not elsewhere specified (SITC 74367) totaled $145.1M in April 2026, traded with 59 countries.
Importers of Filters and Purifying Machinery for Liquids, Not Elsewhere Specified paid $20.6M in duties in April 2026 — an effective duty rate of 19% on $108.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Filters and Purifying Machinery for Liquids, Not Elsewhere Specified imports of $145.1M in April 2026 ran 16% above the year-to-date monthly average of $124.8M.
Last updated: April 2026 dataResidual liquid filtration and purification equipment — covering hydraulic filters, industrial process liquid separators, chemical filtration systems, and other liquid-handling apparatus not dedicated to water, beverages, or engine fluids — serves a broad range of manufacturing and process industries. The NES designation means classification here requires ruling out the more specific liquid filtration headings first. Equipment in this category used in pharmaceutical or chemical manufacturing may be subject to additional buyer-side qualification requirements, though no mandatory US border admissibility review applies to the machinery itself.
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Generally yes — hydraulic filters are not dedicated to water purification, beverage processing, or engine oil/fuel circuits, so they are appropriately classified under the NES liquid filtration heading. However, if a hydraulic filter is an integral part of a larger machine and classified with that machine as a whole, it would follow the classification of the principal machine. A licensed customs broker can advise on the correct approach for specific configurations.
The process medium and dedicated application are the determining factors. Machinery specifically designed to filter or purify water belongs in the water filtration heading; equipment designed for beverages other than water belongs in the beverage filtration heading. Equipment that processes other liquids — oils, chemicals, hydraulic fluids, industrial process streams — or that is genuinely multi-purpose falls into this NES category.
Monthly import values over time
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