FireAngel CO-9D review
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The FireAngel CO-9D Carbon Monoxide Alarm has a sealed battery, which means you’ll never have to buy replacements during its seven-year lifetime. It sounds like a convenient buy, but does it deliver where it really matters? To find out if you can trust this 2016 carbon monoxide detector when you need it most , we tested its reactions to different levels of carbon monoxide in a series of stringent safety tests.What's included:
- Pros and cons
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