First Alert®

First Alert® CO400B Battery Operated Carbon Monoxide Alarm, Electrochemical Sensor, Alkaline Battery, 85 dB

First Alert® CO615B Plug-In Carbon Monoxide Alarm, 70/150/400 ppm Detection, Electrochemical Sensor, Power Source: 120 VAC 60 Hz with (2) AA 1.5 VDC Battery, Backlit Display, 85 dB, UL2034, NFPA 720, NFPA 101, ICC

First Alert® CO410B Battery Powered Carbon Monoxide Detector Alarm, 70/150/400 ppm Detection, Electrochemical Sensor, Power Source: (2) 1.5 VDC AA Alkaline Batteries, Digital Backlit Display, 85 dB at 10 ft, UL2034

First Alert® CO605B Plug-In Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB

First Alert® RD1 Detector Radon Gas Test Kit