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Activated carbon-impregnated cellulose construction
Concrete & More
5" diameter cartridges
and other valuable devices
First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm Sledge Hammers Activated carbon-impregnated cellulose constructionElectrochemical & ionization sensor Designed for hardwired installation, but features a 10 year battery back up allowing the unit to function if the power goes out Hardwire adapter so there is no need to rewire Can be connected to other compatible BRK or First Alert CO smoke detectors within a single family residence Includes single button silence or test function 10 year limited warranty
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