AMPROBE, Detects Methane/Propane, Audible/Visual Indicator, Combustible Gas Detector - 4FKR2

MQ-214 Methane Sensor / Combustible Gas Sensor, Operating Voltage: 4.5V to 5V DC, High sensitivity to Methane Gas – REES52

Portable Gas Leak Detector Alarm Combustible Gas Detector Natural Methane Propane Tester Gas Analyzer Pen Audible Visual Alarm - AliExpress

Methane Gas Detection Systems

Portable Methane (CH4) Gas Detector, 0 to 100% Vol

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How do you take care of your methane gas detector? 8 useful tips. - Homplex

Amprobe GSD600 Gas Leak Detector

Amprobe GSD600 Gas Leak Detector

Natural Gas Detector, Gas Leak Alarm Sensor Butane Methane Gas Monitor, Voice Prompt, Strobe Light Warning, Digital Display (White)…

HABOTEST Portable Gas Leak Detector Alarm Combustible Gas Detector with Audible and Visual Alarm for All Types of Flammable Gases Propane Methane Natural Gas

MT500CB Flammable Gas Detector

MQ-214 Methane Sensor / Combustible Gas Sensor, Operating Voltage: 4.5V to 5V DC, High sensitivity to Methane Gas – REES52