Comparison : |
Item # 08-235, GX4 12 Volt (V) Direct Current (DC) Voltage, 50 Feet (ft) Cable Assembly and Plug Item # 08-401-01, GX4 Carbon Monoxide (CO) Gas Monitor Item # 08-420-02, GX4 Gas Sensor Cartridge for Carbon Monoxide (CO) Item # 08-420-03, GX4 Gas Sensor Cartridge for Hydrogen Sulfide Item # 08-420-04, Gas Sensor Cartridge for Oxygen
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