Dust collection and air purification equipment: — Other
Part of: 84213901 — Filtering or purifying machinery and apparatus for gases: — Other
N362556 · 2026-07-17 — The tariff classification of feeding machines from Canada
Please note, this letter is part of a split ruling. The post pellet liquid applicator and swing scout will be addressed in a separate ruling. The mass flow meter, spot filters, and tote micro ingredient system will be addressed herein. The first item under consideration is described as the Camar Mass Flow Meter, which operates as a continuous, dynamic weighing system designed for dry, bulk products. In operation, material falls onto a highly sensitive stainless steel sensing plate, and the impact force created by the material’s continuous flow is measured, converted, and translated into a…
N361448 · 2026-05-29 — The tariff classification of Isolators from Ireland
Descriptive literature was provided for our review.The first item under consideration is described as the EOLAS Series positive-pressure aseptic isolator, whichis device engineered to establish and sustain a Grade A (ISO 5) sterile micro-environment, crucial forpharmaceutical tasks such as sterility testing and manual aseptic manipulations. This active environmentalcontrol system integrates dual H14 HEPA filtration, ProSgen vapor-phase hydrogen peroxide (VHP)decontamination, PLC-managed differential pressure control, and real-time environmental monitoring, allhoused within a stainless…
N361279 · 2026-05-21 — The tariff classification of replacement air filters from China
Descriptive literature and asample was provided for our review.The items under consideration are described as replacement air filters (model numbers AOIA-2SRF,AOIA-2MRF, AOIA-2LRF, and AOIA-2PRF), which are dedicated replacements for the iAdaptAir 2.0residential air purifiers. Each unit is a multi-stage composite filter consisting of H13 High-efficiencypolypropylene (PP) and polyester (PET) composite filter paper (>99.97% efficiency). The carbon phase has aPP plastic honeycomb structure filled with ~70g (proportional to size) of modified columnar activated carbonparticles. The antimicrobial…
N354046 · 2025-10-08 — The tariff classification of a maintenance kit
Descriptive literature was provided for our review. The item under consideration is described as a maintenance kit (model BH1398SP - 1000H) for the AVL MSS2 measurement device. The AVL MSS2 is a device that measures soot concentration from combustion sources, such as gasoline and diesel engines used in cars and trucks. The kit is packaged and sold as a single unit for maintenance purposes and includes multiple components sourced from various countries. The components are packaged together prior to importation and are not to be sold individually. The kit includes plastic O-rings (prevents…
N349118 · 2025-05-30 — The tariff classification of a ventilator filter from China
The item under consideration is described as the AVEA filter, which is a disposable bacterial/viral filter designed for use with the AVEA ventilator system. The AVEA ventilator system is a critical care ventilator intended to provide continuous mechanical ventilation support to neonatal, pediatric, and adult patients who require invasive or non-invasive ventilatory assistance. This filter is placed in-line with the patient circuit, typically at the expiratory limb or between the ventilator and the patient interface, to protect the internal components of the ventilator from contamination by…
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