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10 Best gas detectors alarms of 2025
Save up to 38% off
Best Choice1
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-in Wall with 9-Volt Battery Backup, Digital LED Display
9.6Exceptional
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Value for Money2
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
16% Off9.3Excellent
Our Rating
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3
NICGOL4-in-1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)
11% Off9.2Excellent
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4
FirlarmFirlarm Natural Gas Detector, Plug-in Gas Leak Detector for Home, Propane Leak Alarm for RV and Kitchen, with LED Digital Display
18% Off9.1Excellent
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5
HSTMYFSHSTMYFS Natural Gas Leak Detector, Plug-in Propane Natural Gas Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane (AC Power)
10% Off8.9Very Good
Our Rating
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6
TOPTESPT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange
Key specs-
Alarm:Audible, Visual
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Dimensions:0.79D x 0.79W x 6.5H
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Power:Battery Powered
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Sensor:Gas Sensitive Semiconductor GSS
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Brand:N/A
8.7Very Good
Our Rating
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7
Hembisen3 Packs Natural Gas Detector - Gas Leak Detector for Home,RV, Gas Detectors for Home Natural Gas,Combustible Gas Detector for LNG, LPG,Propane,Methane.
10% OffKey specs-
Alarm:Audible
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Dimensions:4.5 x 7.5 x 1.5 inches
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Power:AC
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Sensor:Catalytic
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Brand:N/A
8.5Good
Our Rating
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8
gutong5 in 1 Carbon Monoxide Detectors Plug in, Smoke Detector & Natural Gas Detector/Alarm with Battery Backup, HD Digital Screen for CO, Gas, Smoke, Temp, Humidity - Home Safety for House, RV, Apartment
38% Off8.4Good
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9
DaffypopDaffypop Plug-in Carbon Monoxide & Natural Gas Leak Detector, 4-in-1 CO, Methane, Propane Alarm with Temperature & Humidity Monitor for Home, Kitchen, RV, Hotel, Travel – White
8.1Good
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10
TOPTESNatural Gas Detector, TopTes PT177 Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Leak Sources Like Methane, Propane for Home (Includes Battery x2)-Orange
Key specs-
Alarm:Visual & Audible Alarm
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Dimensions:8.15 x 2.68 x 1.69 inches
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Power:Battery Powered
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Sensor:Combustible Gas Detector
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Brand:N/A
8.0Good
Our Rating
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