carbon monoxide alarms
tpi 775 gas and carbon monoxide detector
combustible gas and carbon monoxide detector detects combustible gases and carbon monoxide measuring range 0 to 2000 ppm audible and visual indicator features 16 in . flexible probe low power semiconductor sensor sensitive to 50 ppm methane auto zero backlight battery 2 c alkaline batteries includes coo and gas detector soft carrying case manual batteries br b features b ul li features 16 in . flexible probe low power semiconductor sensor sensitive to 50 ppm methane auto zero backlight li li includes coo and gas detector soft carrying case manual batteries li li item combustible gas and carbon monoxide detector li li battery 2 c alkaline batteries li li indicator audible and visual li li measuring range 0 to 2000 ppm li li detects combustible gases and carbon monoxide li ul