Honeywell XC70 review
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The Honeywell XC70 carbon monoxide alarm comes with a sealed seven-year battery and this means that for the time that you own it, you won't need to change the battery. After seven years, the alarm will let you know it has reached the end of its life and needs to be replaced. But how well does this Honeywell carbon monoxide (CO) alarm detect CO? We tested it to find out. Read on for the full results of our tests and our review of this Honeywell carbon monoxide alarm.
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