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Are UL-Listed CO Monitors Safe?
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pecmsg
Member Posts: 6,313
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Very good video for the general public. I'll be posting a link to it on social media. Most interesting was the design of that Defender (with its name taped over) monitor. I'm glad that my CO Experts monitor initiates an audible alarm at 5 PPM, which the Defender won't until CO exceeds that level.0
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