HiSpec Mains Powered Smoke Alarm and Heat Detector Kits with 9V Battery Backup: 5 Smoke/1 Heat/1 CO | DIY at B&Q
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Radio-Interlinked Sealed Battery 2 Smoke and 1 Heat Alarm Kit - Hispec RF Pro Range - £80.99 inc VAT
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Hispec Radio Frequency Mains Smoke Detector with 10yr Sealed Lithium Battery Included - HSSA/PE/RF10 at TEW Electrical
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Hispec Mains Smoke Alarm Interconnectable With Battery Back Up HSSA/PE | Powersaver Electrical & Security Distributors
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Interconnectable Fast Fix Mains Carbon Monoxide Detector with 10yr Rechargeable Lithium Battery Back
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Radio-Interlinked Sealed Battery 3 Smoke Alarms and 1 Heat Alarm Kit - Hispec RF Pro Range - £107.39 inc VAT
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