Ei Electronics Ei204EN Carbon Monoxide Alarm review
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You can expect six years of service from the Ei Electronics EI204EN Carbon Monoxide Alarm before you need to replace it – but can it be trusted to alert you to the potentially deadly effects of a carbon monoxide during this time? Our test results reveal whether the Ei Electronics carbon monoxide detector can be relied upon to recognise and clearly warn you about a build-up of the poisonous gas.
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