Reverse Osmosis Membrane Housing
A pressure vessel designed to hold reverse osmosis membranes in water purification systems. It is classified under HTS 8421.99.0140 as a part specifically for machinery used in filtering or purifying water through membrane separation processes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for non-water liquids or gases
Parts for filtering machinery not exclusively for water fall under the general 'other' category.
If imported as a basic plastic tubular component without fittings
Plain plastic articles without specific filtration function are classified by material in Chapter 39.
If constructed primarily of stainless steel tubing for industrial reservoirs
Steel reservoirs or tanks not integral to filtration machinery go to Chapter 73 for metal tanks.
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Import Tips & Compliance
• Verify compatibility with specific RO membrane sizes and pressure ratings to ensure classification as a water purification part
• Provide detailed technical specs and end-use certification to avoid misclassification as general industrial parts
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