OI-117 Spare/Replacement Parts

OI-120-HS.....Catalytic Bead Combustible Gas (LEL) Sensor in 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