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(1) Pressure Relief Valve
Quick drying
Rain safe in 15 minutes
Follow package instructions carefully for best results
First Alert BRK Hardwired (with Battery Back-up) Ionization Interconnected Smoke Detector (6-Pack) Item #2515794 (1) Pressure Relief Valve120V AC DC Interconnectable Ionization Smoke Alarm w Carbon Zinc Battery Backup (6 Pack) Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Battery backup provides continuous protection during power outages Perfect mount bracket keeps the alarm secure over a wide rotation range for
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