FireAngel CO-9X-10T-FF review
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If you buy the FireAngel CO-9X-10T-FF Carbon Monoxide Alarm you won’t need to replace it for a whole decade, which is about the top end of any carbon monoxide detector we’ve seen. It’s certainly long-lasting, but is it actually any good at sniffing out the deadly gas? We put this FireAngel carbon monoxide detector through its paces in our test tab to find out.
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