Membrane Filter Module for Ultrapure Water
Cross-flow membrane modules (microfiltration/ultrafiltration) producing ultrapure water for semiconductor fabrication. They purify liquids through membrane filtration, falling under tariff item 8421.29.00. These modules are not centrifuges and are critical for removing submicron particles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the modules are specifically designed for water purification
Water filtering apparatus are classified under a more specific subheading.
If the modules are imported without housings
Modules without housings may be considered parts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the membrane modules meet the purity requirements for semiconductor fabrication
• Provide the CBSA with the module's pore size, flow rate, and material specifications
• Verify if the modules are imported with housings or as standalone units, as this may affect classification
Related Products under Tariff item 8421.29.00
Activated Carbon Filter Vessel for Beverage Processing
A carbon steel pressure vessel filled with granular activated carbon, used to decolorize and purify liquids in beverage production. It operates through adsorption, a purification process for liquids, and is not a centrifuge. This apparatus is classified under tariff item 8421.29.00 as other filtering or purifying machinery for liquids.
Appion G5Twin Refrigerant Recovery Pump
The Appion G5Twin is a high-speed twin-piston refrigerant recovery machine designed for HVAC systems, capable of recovering R410A at rates exceeding 60 minutes per pound. It filters and purifies refrigerant liquids during the recovery process, ensuring contaminants are removed. This places it under tariff item 8421.29.00 as filtering or purifying machinery for liquids.
Bacharach H-10 PRO Refrigerant Recovery System
The Bacharach H-10 PRO is an integrated refrigerant recovery system with leak detection, designed for industrial refrigeration applications. It purifies refrigerants to ARI specifications by filtering and removing impurities from the liquid. This aligns with tariff item 8421.29.00, covering filtering or purifying machinery for liquids.
Bag Filter System for Chemical Processing
A multi-bag filtration system that uses fabric bags to capture solids from corrosive chemical liquids in industrial processes. It purifies liquids through mechanical separation, a function covered by tariff item 8421.29.00. This apparatus is not a centrifuge and is designed for general liquid filtration.
Biodiesel Glycerol Separation Unit
The Biodiesel Glycerol Separation Unit is a decanter centrifuge that separates biodiesel from glycerol byproduct in biofuel production, purifying FAME esters. It filters and purifies liquid mixtures, fitting tariff item 8421.29.00. This item covers filtering or purifying machinery for liquids.
Cartridge Filter Housing for Process Water
A stainless steel housing that holds replaceable cartridge filters to remove fine particulates from industrial process water. It purifies liquids through mechanical filtration, falling under tariff item 8421.29.00. This apparatus is not a centrifuge and is designed for general liquid purification.