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Best Choice VITITE 
Carbon Monoxide & Combination Gas Detector, 4 in 1 Plug in CO, Natural Gas, Propane, Temp and Humidity Gas Alarm; Design 4-in-1 Combination Gas Detector: The YC302 Pro+ uses high-precision sensors to monitor CO, natural gas, propane, temperaZituso 
Carbon Monoxide Detector,Replaceable Battery Operated CO Alarm Detector with test button and digital display suitable fo Safe & Reliable: This NEW advanced Carbon Monoxide Detector,Equipped with LED display screen and a highly sensitive elec
Combination Smoke Carbon Monoxide Detectors Fire Alarms With Built-in 5v Battery Combination Smoke and Carbon Monoxide Alarm. Detection Gas：Smoke, Carbon Monoxide. Material：ABS Fire Engineering PlasticQuell 
Quell Q10YK-CO Long Life Photoelectric Smoke Alarm & Carbon Monoxide Detector for Kitchen, White The intelligent multi-sensor alarm detects both smoke and carbon monoxide.
Carbon Monoxide and Smoke 2in1 Combination Detector Alarms with Built-in Battery 【Easy Installation & Operation】 The co detector can be easily installed with included mounting brackets and screws. PresFireangel 
FireAngel FA6813-EUX10 FA6813 Carbon Monoxide Detector & Alarm with Replaceable Batteries Advanced electrochemical sensor detects dangerous levels of Carbon Monoxide (CO) in your home and alerts you with a cleaBest Value VETOUCH 
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