Deals on gentex 7139 hard wired wall mount t3 smoke alarm with backup

Gentex 7139LS T3 Smoke Alarm with Strobe - AC Powered w/Batt. Backup (8 Avail.)
$109.95
GENTEX 7139 T3 SMOKE ALARM WITH STROBE FLASH-HARDWIRED W/BAT BACKUP-WALL,CEILING
$131.95
Gentex 7139CS-W Hard Wired Wall Mount T3 Smoke Alarm & Backup
$130.58
Gentex Hard Wired Ceiling Mount T3 Smoke Alarm with Backup
$134.28
Gentex 7139LS T3 Smoke Alarm with Strobe - AC Powered w/Batt. Backup (6 Availab)
$80.00
Gentex Wall Mount T3 Smoke Alarm with Backup
$138.85
SC7010B Hard Wired T3 Smoke & T4 Carbon Monoxide Alarm with Backup
$71.37