ARCTIC Sleepsafe SleepSafe CO Carbon Monoxide Alarm Tester - 7 Tests, 400ml PHCO520from £6.22 up to £13.90 Compare prices10→Ensure your carbon monoxide alarms are always in working order to protect your home or workplace. SleepSafe Carbon Monoxide Alarm Tester Spray is simple and easy to use. As recommended by the fire bri more→gade, alarm batteries and sensors should be tested regu Contains low levels of carbon monoxide gas, sufficient to trigger a reaction from carbon monoxide sensors within carbon monoxide alarms Up to 7 tests per can Designed to test all carbon monoxide alarms Can be used to test Flue Gas Analysers Will not damage alarm sensors
