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SAFE TECH Interlinked Carbon Monoxide Detector with LCD Display, 10-Year Battery CO Alarms Conforms to EN50291-1:2008 Standard, AJ-833SI : Amazon.co.uk: DIY & Tools
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AJ-833si Interlinked Carbon Monoxide Detector with10-Year Tamper-Proof Battery - SAFE-TECH - A British Brand Specialising in Home and Safety Protection
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