Best Gas Detectors

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)

FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R, 10 Year Life, Dual Carbon Monoxide Detector and Smoke Alarm with Test and Hush Button - Combined CO and Fire Alarm - White

Kidde 10LLDCO Carbon Monoxide Detector Digital Display with Long Life Sealed Battery Pack of 2

FireAngel Digital Carbon Monoxide Detector with 10-Year Sealed for Life Battery - FA3322 Humidity, Temperature and CO Alarm - Portable Carbon Monoxide Alarms for Home and Travel - CO Detector Monitor

Natural Gas Detector, Plug-in Propane Natural Gas Leak Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane

TopTes PT520A Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locating Sources of Methane, Natural Gas, Propane and Combustible Gas Leaks for Home and RV (Includes Battery x3) - Orange

TopTes PT199 Gas Leak Detector, Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home(Includes Battery x2)-Orange

Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey