Pump Exhaust Silencer from Japan
Silencer baffles reducing noise from roughing pumps in wafer polishing cleanrooms. Under HTS 8414.90.91.40 as parts of vacuum pumps processing semiconductor wafers. Clean exhaust design.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• dB reduction and particle filter specs
• Cleanroom compatibility cert