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Mini Carbon Monoxide Alarm, Carbon Monoxide Detector with Digital Display and Sound Alarm, (Battery Not Included), Suitable for Home, School, Office in Accordance with EN50291 : Amazon.co.uk: DIY & Tools
HEIMAN Carbon Monoxide Alarm Detector EN 50291 Certified, CO Alarm Detector, Battery Powered, 10 Year Sensor, 722ES (723) : Amazon.co.uk: DIY & Tools
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Aico Detector, White : Amazon.co.uk: DIY & Tools
CPVAN Wireless Carbon Monoxide Detector with Digital Display, Carbon Monoxide Alarms for Home Safety, CO Alarm with 7 Years Sensor Life, EN 50291, Replaceable Batteries (AA Batteries Included). 1 Pack : Amazon.co.uk:
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0-1000ppm CO Detector 601 Model Carbon Monoxide Monitor Air Quality Meter Portable Tester Gas Leakage Analyzer for Home Office : Amazon.co.uk: DIY & Tools
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