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First Alert BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack ,
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First Alert(r) 1039787 Smoke & Carbon Monoxide Alarm With Voice & Location 8.50in. x 6.75in. x 2.00in. : FIRST ALERT(R): Amazon.co.uk: DIY & Tools
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