Gas Purifier Inlet Manifold from Japan
Stainless steel manifold that distributes process gases into point-of-use purifiers for removing impurities in semiconductor etching and deposition processes. It is a part of gas purifying apparatus under HTS 8421.99.01.
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
• Provide gas compatibility certifications (e.g
• for NF3, ClF3) and pressure ratings
• Include bills of materials showing purifier assembly context for correct parts classification