Open-Box & Used-Like-New Deals 30%+ Off

First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,White

DealMapped found a used-like-new / resale deal on First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,White. The current observed price is $20.92, compared with a reference price of $39.98, for an estimated savings of $19.06 or 34% off.

• Condition: Used Like New
• Seller: Marketplace resale offer
• Current observed price: $20.92
• Reference price: $39.98
• Discount percentage: 34% off
• Category: Clothing, Shoes & Jewelry
• Last seen: June 2, 2026