First Alert BRK Hardwired (with Battery Back-up) Ionization Interconnected Smoke Detector (6-Pack) Item #309595 | Model #27896 giving you 3X the coverage

giving you 3X the coverage of a standard shower head

hinge tension adjustment tool

Can be used on PSC type compressors

or HDPE pipe

full-length neutral bars and self-adjusting dead-front cover

First Alert BRK Hardwired (with Battery Back-up) Ionization Interconnected Smoke Detector (6-Pack) Item #309595 | Model #27896 giving you 3X the coverage120V 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