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Firex 5000 120V AC Direct Wire Smoke Alarm with Alkaline Battery Back-up and False Alarm Control (Upgraded to i5000-KA-F Kit)
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Smoke Alarms for Home, 10 Years Replaceable Battery Smoke Alarm, 85dB Fire Alarm Can Mute Remotely, Smoke Detector with Test/Silence Button Design Conforms to EN14604 Standard : Amazon.co.uk: DIY & Tools
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Research tests show reduction of false alarms when multi-sensor detectors are used | Planning, Building & Construction Today
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