Respirator Fit Test Adapter from China
Mechanical port adapter for quantitative fit testing (QNFT) of respirators using aerosol challenge agents. Specific part for breathing appliances under HTS 9020.00.60.00 chapter rules.
Duty Rate — China → United States
15%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Validate compatibility with OSHA-approved fit test protocols
• Seal integrity test documentation required
• Avoid generic port classification by proving respirator specificity