First Alert Smoke (sa303) & Carbon Monoxide (co400) Detector Combo Pack
First Alert(r)

First Alert Smoke (sa303) & Carbon Monoxide (co400) Detector Combo Pack

Regular price $34.99 $34.99 Unit price per
• Model number SCO403
• Bundles together a smoke alarm & carbon monoxide detector
• Ionization smoke sensor reliably detects smoke from fast-flaming fires
• Electrochemical sensor accurately detects carbon monoxide
• Battery-operated alarms install easily without the aid of an electrician
• Loud 85dB alarms
• SA303 has 10-year limited warranty & CO400 has 5-year limited warranty
• Includes 2 9V batteries & mounting bracket;

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