First Alert SA3210 Dual Sensor 10 Year Photoelectric/Ionization Smoke Alarm
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SITERWELL Smoke Detector Carbon Monoxide Detector Combo with Voice Speaker, Dual Sensor Fire and CO Alarm with LED Light & Test Button, Battery Operated, Auto-Check, UL 217 & UL 2034 Standards, 1
First Alert PR700 Slim Design Battery-Operated Photoelectric Smoke & Fire Alarm