Reverse Osmosis Membrane Housing from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• 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