in 23 offers
last seen 19 Oct 2026
The lowest price we last saw for First Alert SMICO100-AC Combination Smoke & Carbon Monoxide Alarm with Battery Backup (6-Pack was $87.61 at Opentip.com, compared across 6 retailers (last seen 19 Oct 2026). Prices may have changed since.
The all-time low we recorded was $83.00 on 25 Sept 2026.
Prices last updated 19 Oct 2026.
First Alert SMICO100-AC Combination Smoke & Carbon Monoxide Alarm with Battery Backup (6-Pack
Last updated at 19/10/2026 03:02:30
Brk First Alert Smic0100-ac Hardwired Dual Smoke Co Alarm
Delivery $42.20
SMICO100-AC Interconnect Hardwire Combination Smoke & Carb
Free delivery between 28–30 Oct
FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide CO Detector with Battery
Delivery $39.36
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
Free delivery between 28–30 Oct
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
Delivery between 25–28 Oct $29
Brk Smico100ac Smoke/co Alarm, Carbon Monoxide/smoke, Battery Backup, Smoke/co Detector, Hardwired
Delivery $130.24
| Brand | First Alert |
| Type | Smoke |
Brk First Alert Smic0100-ac Hardwired Dual Smoke Co Alarm
Delivery $42.20
SMICO100-AC Interconnect Hardwire Combination Smoke & Carb
Free delivery between 28–30 Oct
FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide CO Detector with Battery
Delivery $39.36
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
Free delivery between 28–30 Oct
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
Delivery between 25–28 Oct $29
| Brand | First Alert |
| Type | Smoke |
