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First Alert CO400B Carbon Monoxide Alarm from Japan

Battery-operated electrochemical carbon monoxide detector that sounds visual/audible alarms for fire safety systems. Similar apparatus under HTS 8531.10.0045 for gas detection tied to fire alarms.

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

UL 2034 certification essential; specify sensor life (5-7 years); avoid mixing with smoke-only declarations