MQ-135 Gas Sensor (LPG, Butane, Propane, Methane, Smoke) for Arduino UK

MICS-5524 Air Quality Gas Sensor Module Carbon Monoxide Hydrogen Methane

5PCS MQ-2 MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module

Methane CNG Gas Sensor - MQ-4

LS Methane Sensor 8 from Landon Kingsway. Fixed, wall mounted. CH4

MQ-4 Methane Gas Sensor Natural Coal Co Methane Detector Module for Arduino

1PCS MQ-5 MQ5 Methane Gas Sensor Shield Methane Detector Module For Arduino

1PCS New For Low power catalytic methane sensor VQ548MP2-DA Gas Sensor