Chapter 8421 — Customs Tariff Headings

8421.2Filtering or purifying machinery and apparatus for liquids:

8421.3Filtering or purifying machinery and apparatus for gases:

8421.9Parts:

Calculate exact duty for your shipment Not sure about classification? Ask the Tariff Assistant

Products classified under Tariff item 84.21

Alfa Laval MRPX 314 Cream Separator

The Alfa Laval MRPX 314 is a hermetic centrifugal separator specifically engineered for continuous cream separation in butter and ice cream manufacturing. It uses paring disc technology to gently handle milk, ensuring efficient separation of cream from milk. This product falls under tariff item 8421.11.00 as a dedicated cream separator, a type of centrifuge.

DeLaval Cream Separator

The DeLaval cream separator is a centrifugal device designed for separating cream from whole milk in dairy farming operations. It operates by spinning milk at high speeds, using density differences to separate lighter cream from heavier skim milk. This product is classified under tariff item 8421.11.00 as a cream separator.

Filtrox Cream Separation Centrifuge

The Filtrox cream separation centrifuge combines centrifugal separation with inline filtration, specifically optimized for organic milk processing with a low shear design. It is a specialized cream separator designed for premium dairy products. This product falls under tariff item 8421.11.00 as a cream separator centrifuge.

GEA Westfalia Cream Separator MSC 102

The GEA Westfalia MSC 102 is a self-cleaning disc separator specifically designed for cream skimming from fresh milk, handling variable fat content with automatic efficiency adjustments. It is a dedicated cream separator for dairy processing. This product is classified under tariff item 8421.11.00.

SEP Enterprise Manual Cream Separator

The SEP Enterprise manual cream separator is a hand-crank operated centrifuge for small-scale farms and home dairies, processing up to 50 liters per hour. It is a traditional belt-driven centrifuge specifically for household milk separation. This product falls under tariff item 8421.11.00 as a cream separator.

Tetra Pak Centrifugal Cream Separator

The Tetra Pak centrifugal cream separator is a high-capacity machine for large-scale dairy processing, separating cream at rates up to 10,000 liters per hour. It utilizes disc-stack centrifugation technology optimized for milk fat separation. This product is classified under tariff item 8421.11.00 as a cream separator.

Westfalia Separator Milk Skimming Machine

The Westfalia Separator milk skimming machine is an industrial centrifugal separator for skimming cream from cow's milk in cheese production facilities. It features automatic discharge and self-cleaning mechanisms for continuous operation. This product falls under tariff item 8421.11.00 as a cream separator.

Bosch WTG86403UC 800 Series Condenser Dryer

A condenser clothes dryer that collects moisture in a tank rather than venting it outside. It uses a heat exchanger to condense water from the tumbling clothes, making it suitable for apartments and spaces without external venting.

Electrolux EFME627UTT Front-Load Electric Dryer

A standard front-load electric clothes dryer with a large capacity and sensor drying technology. It operates by tumbling clothes in a rotating drum while heated air evaporates moisture, a function covered by this tariff item.

Frigidaire FFRE0833U1 Compact Electric Dryer

A compact electric clothes dryer designed for small spaces, with a reversible door and standard tumbling drying function. It falls under this tariff item as a clothes-dryer, regardless of its reduced size.

GE GFD65ESPNRS Smart Ventless Dryer

A ventless heat pump clothes dryer that uses a heat pump to condense moisture, eliminating the need for external venting. Its primary function is drying clothes, making it classifiable under this tariff item.

Haier HLC5560W All-in-One Washer Dryer

An all-in-one washer-dryer combo where the dryer function is the primary purpose of the unit. It operates as a ventless condenser dryer, and when the drying function predominates, it is classified under this tariff item.

LG DLEX4000W Electric Clothes Dryer

A front-loading electric clothes dryer with sensor dry technology and multiple cycles. It uses a rotating drum and heated air to dry clothes, falling squarely under this tariff item as a clothes-dryer.

Maytag MEDB850YW Commercial-Grade Home Dryer

A heavy-duty electric clothes dryer designed for large loads in residential settings. Despite its commercial-grade construction, it functions as a standard clothes-dryer, making it classifiable under this tariff item.

Miele TWF160WP EcoDry Dryer

A premium heat-pump tumble dryer with high-efficiency drying and sensor controls. It condenses moisture internally, and its primary function is drying clothes, which is covered by this tariff item.

Samsung DV45DG6000HW Front-Load Gas Dryer

A front-load gas clothes dryer with steam sanitize cycles. It uses gas heating and tumbling to dry clothes, and its function as a clothes-dryer places it under this tariff item.

Whirlpool WED5620HW Top-Load Electric Dryer

A top-loading electric clothes dryer with moisture sensing and tumbling action. It is a standard household clothes-dryer, classifiable under this tariff item as a clothes-dryer.

Centrifugal Wafer Edge Profiling Machine

This specialized centrifuge rotates semiconductor wafers to profile and bevel their edges, preventing fractures during processing. It falls under tariff item 8421.19.00 as an 'other' centrifuge, distinct from those used for filtering or purifying liquids or gases.

Compound Semiconductor Slurry Centrifuge

This centrifuge separates polishing slurry from gallium arsenide or silicon wafers after chemical mechanical planarization. It is classified under 8421.19.00 as an 'other' centrifuge for liquid-solid separation in semiconductor processing.

Czochralski Crystal Puller

This machine grows monocrystalline silicon boules using the Czochralski method, rotating and pulling a crystal from molten silicon. It is classified under 8421.19.00 as an 'other' centrifuge, as its primary function involves centrifugal rotation during crystal growth.

Float Zone Crystal Grower

This apparatus uses the float zone method to produce ultra-pure silicon crystals, rotating a molten zone along a polycrystalline rod. It is classified under 8421.19.00 as an 'other' centrifuge for semiconductor material processing.

Gallium Arsenide Wafer Centrifuge Dryer

This centrifugal dryer spin-dries compound semiconductor wafers like gallium arsenide after chemical processing, preventing surface damage. It is classified under 8421.19.00 as an 'other' centrifugal dryer for semiconductor wafers.

High-G Centrifuge for Wafer Stress Testing

This high-G centrifuge applies extreme rotational forces to test the mechanical integrity of semiconductor wafers before device fabrication. It is classified under 8421.19.00 as an 'other' centrifuge for testing purposes.

Precision Wafer Lapping Centrifuge

This centrifugal lapping machine rotates semiconductor wafers against abrasive surfaces to achieve critical flatness. It is classified under 8421.19.00 as an 'other' centrifuge for wafer preparation.

Rotating Crystal Annealing Centrifuge

This centrifugal furnace spins semiconductor crystals during high-temperature annealing to ensure uniform dopant distribution. It is classified under 8421.19.00 as an 'other' centrifuge for crystal processing.

Semiconductor Crystal Boule Grinder

This high-precision centrifugal grinder rotates crystal boules to achieve exact diameters and orientation flats. It is classified under 8421.19.00 as an 'other' centrifuge for semiconductor crystal processing.

Silicon Ingot Centrifugal Polisher

This rotating centrifugal polisher processes silicon ingots to precise surface flatness before wafer slicing. It is classified under 8421.19.00 as an 'other' centrifuge for semiconductor material processing.

Activated Carbon Water Filter Cartridge System

A multi-stage filtration unit using activated carbon cartridges to remove chlorine, odors, and organic compounds from municipal water supplies. It is dedicated to water purification and falls under tariff item 8421.21.00 for filtering or purifying water.

Berkey Gravity Water Filtration System

A countertop gravity-fed stainless steel water purifier with Black Berkey elements that remove pathogens, heavy metals, and chemicals from any water source. It is a complete purification system designed for water treatment, qualifying under tariff item 8421.21.00.

Ceramic Doulton Water Filter Candles System

A gravity-fed ceramic filter system with silver-impregnated Doulton candles that remove bacteria, cysts, and sediments from water without electricity. It is a water purification apparatus specifically designed for filtering water, falling under tariff item 8421.21.00.

Commercial Reverse Osmosis Membrane Skid

A pre-assembled reverse osmosis skid with high-pressure pumps, membranes, and controls for producing purified water in bottling plants. It is machinery specifically designed for water purification, qualifying under tariff item 8421.21.00.

Commercial Ultraviolet Water Purifier

An industrial ultraviolet sterilizer that uses ultraviolet light to disinfect water by inactivating bacteria, viruses, and other pathogens without chemicals. It is specifically designed for water purification, falling under tariff item 8421.21.00.

Distillation Water Purification Unit

A countertop water distiller that boils and condenses water to produce mineral-free distilled water for drinking or lab use. It is a thermal water purification process, qualifying under tariff item 8421.21.00 for filtering or purifying water.

Electrodeionization Water Purification Module

An electrodeionization module using electrical current and ion-exchange membranes to continuously deionize water for high-purity applications like pharmaceuticals. It is advanced water purification machinery, falling under tariff item 8421.21.00.

Hydrogen-Rich Water Generator

An electrolysis-based countertop device producing hydrogen-infused alkaline water claimed for antioxidant benefits. It is marketed for water purification and pH adjustment, qualifying under tariff item 8421.21.00 as water purification apparatus.

Industrial Microfiltration Water Purifier

A membrane-based microfiltration system that removes suspended solids, microorganisms, and particulates from process water in manufacturing facilities. It is water-specific purification machinery, falling under tariff item 8421.21.00.

Ion Exchange Water Softener System

A residential water softener using cation exchange resin to remove hardness minerals (calcium, magnesium) from water, preventing scale buildup. It is a water purifying apparatus, qualifying under tariff item 8421.21.00.

Nanofiltration Water Treatment System

A nanofiltration membrane system removing divalent ions, organics, and color while retaining beneficial minerals from water. It is specialized water purification machinery, falling under tariff item 8421.21.00.

Pool and Spa Ozone Water Purifier

An ozone injection system that generates O3 gas to oxidize contaminants in swimming pool water, reducing chlorine needs. It is a water purification apparatus for recreational use, qualifying under tariff item 8421.21.00.

Portable Backpacking Water Purifier Straw

A personal hollow fiber membrane straw purifier that filters up to 1,000 liters of water from streams, removing 99.9999% bacteria and protozoa. It is a portable water purification device, falling under tariff item 8421.21.00.

Reverse Osmosis Water Purification System

A residential reverse osmosis system that uses a semi-permeable membrane to filter and purify water by removing dissolved solids, bacteria, and contaminants. It is machinery specifically designed for water purification, qualifying under tariff item 8421.21.00.

Whole House Sediment Water Filter

A large-capacity spin-down sediment filter for residential whole-house systems that removes sand, rust, and debris from well or municipal water. It is a water purifying apparatus, falling under tariff item 8421.21.00.

Beer Keg Filter Press

A plate-and-frame filter press used to filter beer from kegs or fermentation tanks, removing haze-causing particles like hops and yeast. This machinery is dedicated to purifying beer, a beverage other than water, and falls under tariff item 8421.22.00.

Cocktail Syrup Particulate Filter

A duplex inline filter for cocktail syrups, designed to swap elements without stopping production and remove particulates. This apparatus is used to purify syrups, which are beverages other than water, and is classified under tariff item 8421.22.00.

Coffee Percolation Filter Machine

An industrial machine for filtering brewed coffee extracts to remove grounds and oils, used in large-scale coffee processing. This equipment purifies coffee, a beverage other than water, and falls under tariff item 8421.22.00.

Dairy Skim Milk Clarifier Filter

A centrifugal clarifier filter specifically for purifying skim milk by removing somatic cells and impurities during dairy processing. This apparatus targets milk, a beverage other than water, and is classified under tariff item 8421.22.00.

Energy Drink Membrane Clarifier

An ultrafiltration membrane clarifier for energy drinks, eliminating haze from taurine-caffeine mixes. This apparatus purifies carbonated functional beverages other than water and falls under tariff item 8421.22.00.

Fruit Punch Bag Filter Housing

A stainless steel housing with replaceable bags for filtering fruit punch mixtures, removing pulp and fibers. This equipment is designed for non-alcoholic beverage clarification and is classified under tariff item 8421.22.00.

Juice Crossflow Microfiltration Unit

A crossflow microfiltration system for fruit juices like apple or orange, separating pulp, bacteria, and spores while preserving clarity and nutrition. This apparatus is dedicated to purifying juices, beverages other than water, and falls under tariff item 8421.22.00.

Kombucha Live Culture Filter

A gentle mesh filter preserving SCOBY cultures while removing excess sediment from kombucha fermentation. This apparatus is specialized for this fermented tea beverage and is classified under tariff item 8421.22.00.

Malt Beverage Diatomaceous Earth Filter

A pressure-fed diatomaceous earth filter for malt beverages like hard seltzer, trapping yeast and haze proteins. This apparatus is used for beverage other than water purification and falls under tariff item 8421.22.00.

Probiotic Smoothie Pulp Filter

A vibratory screen filter separating pulp from probiotic smoothies for smooth texture. This apparatus purifies blended fruit-yogurt beverages and is classified under tariff item 8421.22.00.

Sparkling Cider Sediment Filter

An inline sediment filter for sparkling cider production, capturing fruit particles and precipitates post-fermentation. This apparatus is dedicated to purifying alcoholic cider beverages and falls under tariff item 8421.22.00.

Tea Leaf Extract Filtration Press

A hydraulic press filter for removing fine tea leaf particles from brewed tea extracts in ready-to-drink tea production. This apparatus purifies tea, a beverage other than water, and is classified under tariff item 8421.22.00.

Vodka Activated Carbon Purifier

A column purifier using granular activated carbon to remove fusel oils and congeners from distilled vodka. This apparatus is used for beverage-specific liquid purification other than water and falls under tariff item 8421.22.00.

Wine Filtration Cartridge System

A cartridge-based filtration system designed specifically for clarifying and stabilizing wine by removing yeast, proteins, and sediments during the winemaking process. This apparatus is specialized for wine, a beverage other than water, and is classified under tariff item 8421.22.00.