OI-140-IR-LEL............Infrared Sensor for Combustible Gas
OI-140-IR-CO2...........Infrared Sensor Carbon Dioxide Gas
OI-140-IR-SS-CSA.....Certified Stainless Steel Sensor Housing
OI-495.........................Certified Moore Explosion Proof Enclosure w/ Glass Lid
OI-324.........................Sensor Amplifier w/ Display
OI-500-R......................Red Rain/Splash Guard