First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup * BOX OF 12 *
$406.19
Single button test/silence
Electrochemical Carbon Monoxide Sensor
the most accurate sensor available as compared to other sensing technologies
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Description
SC9120B
120V AC/DC Smoke/CO Combo Alarm
Hardwired ionization/CO mixture alarm meets new building necessities.
Single button take a look at/silence
Electrochemical Carbon Monoxide Sensor
essentially the most correct sensor to be had as in comparison to different sensing applied sciences
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