Deals on brk electronics sc9120b hard wired t3 smoke t4 carbon monoxide alarm with sl177 strobe

BRK SC9120B SMOKE/CARBON MONOXIDE ALARM W/SL177 STROBE- HARDWIRE W/BATTERY- T3
$139.50
SC7010B Hard Wired T3 Smoke & T4 Carbon Monoxide Alarm with Backup
$71.37