First Alert CO400 Carbon Monoxide Alarm $10 at Amazon, posted on 10-16-2018 08:09 PM
 

First Alert CO400 Carbon Monoxide Alarm $10 at Amazon

http://www.shareinfoonline.com//cdn....7999.large.jpgAmazon has the First Alert CO400 Carbon Monoxide Alarm for $10.29 with free shipping on $25+ or with Prime or free one-day pickup in select cities. Walmart has it for $10.77.

Features an electrochemical carbon monoxide sensor, silence/test button, low battery warning and a end-of-life timer.

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