Home Slickdeals First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector $22.36 at... Slickdeals First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector $22.36 at Amazon By ARCOM - 3 October 2018 186 0 SHARE Facebook Twitter Go to the deal page: First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector $22.36 at Amazon