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Carbon Monoxide CO Gas Monitor Detector for Car, Aircraft, Bus, Trucks, Pilots, Vehicle, Travel and Camping, Fast Low-Level 9ppm Alarm Battery Powered : 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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AJ-833 Standalone Carbon Monoxide Detector With Replaceable Battery - SAFE-TECH - A British Brand Specialising in Home and Safety Protection
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