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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, Low-Battery Alert. 1 Pack : Amazon.co.uk: DIY
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X-Sense Wireless Interlinked Combination Smoke and Carbon Monoxide Alarm, 10-Year Battery Powered Interconnected Fire and CO Detector, SC06-W (RF Interconnected), Link+, 3-Pack : Amazon.co.uk: DIY & Tools
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