Best Costco Smoke Detectors

Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm (1)

X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operated, Conforms to EN 14604 Standard, SD11

Smoke Alarms for Home, Isafenest Smoke Detector with 10 Years Sensor/5 Years Battery Fire Alarm with LED Indicator, Photoelectric Smoke Alarm Battery Operated

X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery, Smoke Alarm for Home Compliant with EN 14604 and EN 50291 Standards, SC07

X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smoke Alarm for Home with Replaceable Battery, XP0A-SR, 2-Pack

Smoke Alarm, Interlinked Smoke and Heat Alarm Scotland Bundle, Pre-linked,10-Year Battery Life,Compliant with Scotland & England Law (2 Smoke + 1 Heat)

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

Sensereo Smoke and Heat Alarm,10-Year Sealed-Battery Life Smoke Alarm, Interlinked Smoke and Heat Alarm Bundle for Home, (1 Smoke & 1 Heat)

FireAngel SW1-R Smoke Alarm , White (Packaging may vary)

Kidde 10Y29 RB Ten Year Life Sealed Battery Smoke Alarm , White