10x alarms -all brand new boxed sealed FREE QUICK DELIVERY expiry dates 2036 & 2035 >10years Ei3028 Multi-Sensor Heat & CO Alarm The Ei3028 Multi-Sensor Heat & Carbon Monoxide (CO) Alarm contains our tried and tested Thermistor Heat sensor and our proven Electrochemical CO sensor. Contains both a Heat and Electrochemical Carbon Monoxide sensor to provide Heat and CO coverage in one alarm Mains powered with a 10-year rechargeable lithium cell back-up
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