Other

ACDelco Professional Engine Air Filter for Chevrolet Silverado

An OEM-grade pleated cellulose air filter designed for Chevrolet Silverado V8 engines. It filters incoming air to protect the engine from road debris, qualifying as an intake air filter for internal combustion engines under tariff item 8421.31.00.

Baldwin Radial Seal Air Filter for Caterpillar Excavators

A radial seal air filter for Caterpillar hydraulic excavator diesel engines, optimized for construction site dust environments. It serves as an intake air filter for internal combustion engines, fitting under tariff item 8421.31.00.

Donaldson Powercore Air Filter for John Deere Tractors

A Powercore radial seal air filter for John Deere tractor diesel engines, using synthetic media for superior dust holding. This intake air filter for internal combustion engines is correctly classified under tariff item 8421.31.00.

Fleetguard AH11941 Air Filter for Mack Trucks

A heavy-duty air filter for Mack truck MP8 engines, featuring MaxFlow media technology for extended life. It is an intake air filter for commercial vehicle internal combustion engines, falling under tariff item 8421.31.00.

FRAM Extra Guard Panel Air Filter for Honda Civic

A panel-style air filter with gradient-density media for Honda Civic gasoline engines, balancing filtration efficiency and airflow. It qualifies as an intake air filter for automotive internal combustion engines under tariff item 8421.31.00.

Hengst EKR 821 Engine Air Filter for Volkswagen Golf

A compact air filter element for Volkswagen Golf TSI engines, with high dust capacity for European driving conditions. It qualifies under tariff item 8421.31.00 as an intake air filter for automotive internal combustion engines.

K&N High-Flow Air Filter for Toyota Camry

A reusable high-flow intake air filter designed for the Toyota Camry's internal combustion engine, capturing dust and debris while allowing optimal airflow. It falls under tariff item 8421.31.00 as an intake air filter.

Mann-Filter HU 820 x Engine Air Filter for BMW 3 Series

A high-performance air filter cartridge for BMW 3 Series turbocharged engines, featuring an activated carbon layer for odor control. It is an intake air filter for internal combustion engines under tariff item 8421.31.00.

Purolator One Engine Air Filter for Ford F-150

An advanced one-piece molded end air filter for Ford F-150 EcoBoost engines, offering longer service intervals. It is designed as an intake air filter for trucks' internal combustion engines under tariff item 8421.31.00.

Wix Heavy Duty Air Filter for Cummins Diesel Engines

A heavy-duty pleated paper air filter for Cummins diesel engines in trucks, engineered to handle high dust loads in off-road conditions. It is classified under tariff item 8421.31.00 as an intake air filter for internal combustion engines.

Diesel Particulate Filter (DPF) for Light Trucks

A ceramic wall-flow particulate filter designed to capture soot and particulate matter from diesel engine exhaust in light trucks. It falls under tariff item 8421.32.00 as a particulate filter for purifying exhaust gases from internal combustion engines.

Gasoline Particulate Filter (GPF) for Direct Injection Engines

A wall-flow filter coated with three-way catalysts to trap fine particulates from gasoline direct injection engines while converting pollutants. It falls under tariff item 8421.32.00 as a combined particulate filter and catalytic converter for exhaust gas purification.

Heavy-Duty Diesel Oxidation Catalyst (DOC)

A flow-through catalytic converter that oxidizes CO and HC in heavy-duty diesel truck exhaust upstream of DPF/SCR systems. It falls under tariff item 8421.32.00 as catalytic apparatus for internal combustion engine exhaust purification.

High-Flow Performance Catalytic Converter for Subaru WRX

A 400 CPI high-flow catalytic converter designed for Subaru WRX turbo engines, balancing emissions control with performance. It falls under tariff item 8421.32.00 as an aftermarket converter purifying internal combustion exhaust gases.

Marine Diesel Engine Catalytic Converter

A corrosion-resistant catalytic converter for inboard marine diesel engines meeting IMO Tier III NOx standards. It falls under tariff item 8421.32.00 as apparatus for purifying exhaust gases from internal combustion engines in marine applications.

Motorcycle Catalytic Converter with Lambda Sensor

A compact metallic substrate catalytic converter for motorcycles, often integrated with oxygen sensor ports for closed-loop control. It falls under tariff item 8421.32.00 for filtering and purifying exhaust gases from two-wheeler internal combustion engines.

OEM Replacement Catalytic Converter for Toyota Camry

A direct-fit replacement three-way catalytic converter engineered for 2.5L Toyota Camry engines, meeting original emissions specifications. It falls under tariff item 8421.32.00 as apparatus for purifying automobile internal combustion engine exhaust.

SCR Catalyst for Diesel Exhaust Aftertreatment

A Selective Catalytic Reduction (SCR) converter using urea/DEF to convert NOx in diesel exhaust of commercial vehicles. It falls under tariff item 8421.32.00 as catalytic apparatus for purifying internal combustion engine gases.

Three-Way Catalytic Converter for Gasoline Passenger Cars

A catalytic converter containing platinum, palladium, and rhodium catalysts on a ceramic honeycomb substrate to simultaneously reduce CO, HC, and NOx in gasoline engine exhaust. It falls under tariff item 8421.32.00 for purifying internal combustion engine exhaust gases.

Universal Catalytic Converter 2.5 Inch Inlet/Outlet

A spin-on or weld-on universal catalytic converter cartridge with 2.5-inch connections for custom exhaust fabrication. It falls under tariff item 8421.32.00 for filtering internal combustion engine exhaust gases.

300mm Silicon Wafer Prep Dust Extraction Hood

A localized dust collection hood for 300mm wafer preparation lines, filtering process-generated airborne particles. It is used in slicing, grinding, and polishing stations. Classified under 8421.39.00 as gas filtering machinery, with specific relevance to semiconductor manufacturing.

3D Printer Resin Vapor Extractor

An enclosed carbon bed extractor designed to capture toxic resin vapors emitted by SLA/DLP 3D printers during prototyping. It uses activated carbon filtration to adsorb volatile organic compounds (VOCs) and odors, making it suitable for hobbyist and maker spaces. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Activated Carbon Gas Adsorber

A canister filled with activated carbon media designed to adsorb volatile organic compounds (VOCs) and odors from air streams in ventilation systems. It functions as a gas purifying apparatus by trapping contaminants through adsorption. This product is correctly classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Allergen-Reducing Bedroom Air Cleaner

A quiet, low-energy air cleaner with multi-stage filtration including a pre-filter, HEPA filter, and activated carbon, designed for bedrooms to trap pet dander and mold spores. It purifies indoor air by filtering particulates and adsorbing odors. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Boule Flatting Grinder Filtration System

An air purification module for grinders that create orientation flats on semiconductor crystal boules. It captures grinding dust to protect wafer yield. Classified under 8421.39.00 as gas filtering machinery for semiconductor manufacturing.

CNC Grinder Particulate Air Cleaner

A high-velocity air cleaner designed for surface grinders, capturing abrasive dust and grinding wheel particles. It features self-cleaning pulse-jet filters to maintain precision tolerances in metalworking environments. Classified under tariff item 8421.39.00 as filtering machinery for gases.

CNC Lathe Dust Collector Filter Unit

A dust collection system specifically for CNC lathes, capturing metal chips, coolant mist, and airborne particulates. It uses high-efficiency filtration to maintain a clean machining environment. Classified under 8421.39.00 as filtering machinery for gases.

Commercial Kitchen Grease Vapor Separator

A duct-mounted electrostatic precipitator that ionizes and collects grease particles from restaurant exhaust hoods before duct release. It purifies air by removing grease and particulates from commercial kitchen exhaust streams. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Containerized Electrostatic Precipitator for Biomass Power Plant

A transportable containerized electrostatic precipitator system for biomass combustion flue gases, designed for quick deployment in renewable energy plants. This product is classified under tariff item 8421.39.00 as mobile industrial gas cleaning equipment.

Crystal Boule Inspection Area Air Purifier

A laminar flow purification unit for boule inspection stations, providing particle-free air for defect assessment before slicing. It ensures clean conditions for quality control. Classified under 8421.39.00 as gas filtering machinery.

Czochralski Crystal Puller

A specialized centrifuge apparatus used in semiconductor manufacturing to grow monocrystalline silicon boules via the Czochralski method. It pulls crystals from molten silicon and includes dust filtration. Classified under 8421.39.00 as gas filtering machinery, though it may also be considered a machine of heading 84.86.

Diamond Slurry Grinder Ventilation Unit

A ventilation and filtration unit capturing diamond abrasive particles from boule and wafer grinders using electrostatic precipitators. It handles hazardous nano-diamond dust. Classified under 8421.39.00 as gas filtering machinery for semiconductor manufacturing.

Drill Press Chip Vacuum Filter

A vacuum filtration system for drill presses, collecting metal shavings and coolant mist through cyclonic and baghouse filtration. It mounts directly to machine enclosures for compact operation. Classified under 8421.39.00 as gas filtering machinery.

Dry Electrostatic Precipitator for Power Plant Flue Gas

A dry electrostatic precipitator system that captures fly ash and particulate emissions from coal-fired power plant flue gases via ionized particle collection on weighted plates. This system falls under tariff item 8421.39.00 as industrial gas cleaning equipment.

EDM Wire Cut Machine Fume Hood Filter

An integrated fume extraction and filtration unit for EDM wire cut machines, capturing dielectric fluid vapors and metal smoke. It uses activated carbon and particulate filters to clean the air. Classified under 8421.39.00 as gas filtering machinery.

Epi-Ready Wafer Cleaner Air Filtration Module

A pre-diffusion cleaning station filtration module removing particulates before epitaxial growth, ensuring epi-ready wafer surfaces. It bridges preparation and processing steps. Classified under 8421.39.00 as gas filtering machinery for semiconductor manufacturing.

Float Zone Crystal Grower

A centrifugal apparatus employing the float zone method to purify and grow semiconductor crystals like silicon. It melts and recrystallizes zones in a controlled inert gas environment with dust filtration. Classified under 8421.39.00 as gas filtering machinery, though it may be better classified under heading 84.86.

Fume Extractor for Soldering Stations

A benchtop fume extractor with a flexible arm and carbon pre-filter designed to capture lead-free solder vapors in electronics assembly. It filters harmful gases and particulates from workshop air, protecting workers. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Gallium Arsenide Crystal Puller Gas Purifier

A purification apparatus for inert gas lines in GaAs crystal growth centrifuges, removing moisture, oxygen, and particulates to achieve ppb-level purity. It is essential for compound semiconductor production. Classified under 8421.39.00 as gas filtering machinery.

HEPA Air Purifier Filter Unit

A high-efficiency particulate air (HEPA) filter unit designed for residential and commercial air purification systems to remove dust, pollen, and microbes from indoor air. It functions as a gas filtering apparatus by trapping airborne particles. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

High-Temperature Electrostatic Precipitator for Steel Mill Furnace Gas

A robust electrostatic precipitator engineered for high-temperature blast furnace off-gases in steel mills, removing metallurgical dust with heat-resistant electrodes. This product is classified under tariff item 8421.39.00 as industrial gas cleaning equipment.

Laser Printer Toner Fume Precipitator

A desktop electrostatic unit that captures ultrafine toner particles emitted during high-volume laser printing in offices. It purifies office air by removing toner fumes and particulates. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Machining Center Smoke Extractor System

A modular smoke and vapor extractor for multi-axis machining centers, using electrostatic precipitators for sub-micron particle removal. It prevents buildup on optics and spindles. Classified under 8421.39.00 as gas filtering machinery.

Milling Machine Coolant Mist Extractor

A compact mist extractor for vertical milling machines, removing oil and coolant aerosols from shop air. It uses coalescing filters and exhaust fans to maintain visibility and safety. Classified under 8421.39.00 as gas filtering machinery.

Mold Spore Air Sterilization Unit

A UV-C and photocatalytic oxidation (PCO) unit that destroys mold spores and bacteria circulating in HVAC return air. It purifies gas by using germicidal irradiation and oxidation to neutralize contaminants. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Monocrystalline Ingot Air Shower Purifier

A personnel and equipment air shower equipped with semiconductor-grade HEPA filtration, designed to remove particulate contamination from surfaces before clean transfer of monocrystalline ingots to slicing areas. This unit falls under tariff item 8421.39.00 as filtering and purifying machinery for gases, supporting the semiconductor wafer manufacturing process.

Nebulizer Compressor Air Intake Filter

A high-purity pleated filter for medical nebulizer compressors, ensuring clean air for aerosol medication delivery. It filters particulates and bacteria from the air intake, supporting medical device operation. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Odor Neutralizing Air Scrubber

A wall-mounted air scrubber using photocatalytic oxidation to neutralize cooking fumes, pet odors, and smoke in homes or offices. It purifies air by chemically breaking down pollutants. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Pet Hair and Dander Cyclone Separator

A floor-standing cyclone unit for pet owners that separates heavy pet hair via centrifugal force before HEPA filtration of fine dander. It purifies indoor air by removing allergens and particulates. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Portable Dust Collector for Workshops

A compact cyclone and baghouse dust collector for capturing fine wood or metal particles from shop air during sanding or grinding. It filters airborne particulates from workshop environments. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Portable Wildfire Smoke Filtration Unit

A battery-powered personal air purifier with H14 HEPA and ionizer for filtering PM2.5 wildfire smoke during evacuations. It purifies air by filtering fine particulates and using ionization. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Semiconductor Polisher Air Particle Collector

A high-efficiency particulate air (HEPA) collector engineered for chemical mechanical polishers, capturing nano-scale slurry particles to achieve mirror-flat wafer surfaces. This product is classified under tariff item 8421.39.00 as gas filtering and purifying machinery used in semiconductor fabrication.

Semiconductor Slurry Mist Eliminator

A coalescing filter system that eliminates aerosolized chemical slurries from wafer grinding and lapping exhaust, preventing fab contamination. This product falls under tariff item 8421.39.00 as gas purification machinery for semiconductor wafer preparation equipment.

Semiconductor Wafer Crystal Grinder Dust Collector

An integrated filtering and purification system attached to crystal grinders used to shape semiconductor boules, collecting diamond slurry and silicon dust from the air stream. This unit is classified under tariff item 8421.39.00 as gas filtering machinery supporting wafer manufacturing.

Silicon Wafer Lapping Machine Exhaust Purifier

A gas and particulate filtration unit for exhaust from wafer lapping equipment, removing abrasive slurry mists and silicon fines to maintain precise thickness tolerances. This product falls under tariff item 8421.39.00 as gas filtering and purifying machinery for semiconductor manufacturing.

Vinyl Chloride Monomer Scrubber Cartridge

A replaceable scrubber cartridge with impregnated carbon for small-scale PVC pilot plant off-gas treatment. It purifies chemical process gases by adsorbing vinyl chloride monomer and hydrogen chloride vapors. This product is classified under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Volatile Organic Compound (VOC) Monitor Filter

A wall-insert VOC adsorber panel using zeolite media to capture paint fumes and solvents in newly constructed buildings. It purifies indoor air by adsorbing volatile organic compounds during off-gassing periods. This product falls under tariff item 8421.39.00 as other filtering or purifying machinery for gases.

Wafer Edge Grinder Particle Trap

A localized particle trapping system for edge profiling grinders that create chip-separation geometry on wafers post-polish. This system is classified under tariff item 8421.39.00 as gas filtering machinery for dust collection in final wafer preparation steps.

Wafer Slicing Saw Air Filtration Unit

A dust collection and mist filtration system for inner diameter saws that slice semiconductor wafers from crystal boules, capturing silicon particles and coolant aerosols. This unit falls under tariff item 8421.39.00 as gas filtering machinery for the cutting process.