Home Slickdeals Kidde Nighthawk Combination Explosive Gas Detector & Carbon Monoxide Detector $29.99 +... Slickdeals Kidde Nighthawk Combination Explosive Gas Detector & Carbon Monoxide Detector $29.99 + (YMMV) 30% off w/Amex Rewards OR 40% off w/Discover By ARCOM - 1 December 2021 50 0 SHARE Facebook Twitter Go to the deal page: Kidde Nighthawk Combination Explosive Gas Detector & Carbon Monoxide Detector $29.99 + (YMMV) 30% off w/Amex Rewards OR 40% off w/Discover