Costco Sale: First Alert 10 Year Atom Micro Smoke and Fire Alarm 2-pk $29.99 by Rhonda July 21, 2020 *UPDATE* 1/24/17. Advanced smoke entry system allows for a direct path to the smoke sensor for fewer false alarms. Costco has the First Alert 10 Year Atom Micro Smoke and Fire … 0 FacebookTwitterPinterestThreadsBlueskyEmail
