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

Gentex Photoelectric Hard Wired Smoke Alarm Ceiling Mount ADA Backup 7139CS
$124.00
Gentex 7139CS-C T3 Smoke Alarm with Strobe - AC Pwr. w/Batt. Backup (6 Avail.)
$109.95
GENTEX 7139 T3 SMOKE ALARM WITH STROBE FLASH-HARDWIRED W/BAT BACKUP-WALL,CEILING
$131.95
Gentex Photoelectric Hard Wired Smoke Alarm Wall Mount ADA Backup 7139CS
$124.00
Gentex 7139LS T3 Smoke Alarm with Strobe - AC Powered w/Batt. Backup (8 Avail.)
$109.95