First Alert CO400B Carbon Monoxide Alarm from Japan
Battery-operated electrochemical carbon monoxide detector that sounds an alarm for hazardous gas detection, similar to fire alarms. Under HTS 8531.10.00 as similar apparatus for safety signaling.
Duty Rate — Japan → United States
11.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• UL 2034 certification mandatory for CO detectors
• Include sensor life expectancy (typically 5-7 years) on labeling
• Test electrochemical sensor accuracy at various CO levels