As an Amazon Associate, we earn from qualifying purchases. Multi-Gas Detector, 4 Gas, Detects Oxygen, Carbon Monoxide, Hydrogen Sulfide, Lower Explosive Limit - Grainger RKI . 72-0233RKC Gallery Attributes Brand name, Manufacturer name, ManufacturerRKI HazmatYes Extra Product NameMulti-Gas Detector, 4 Gas, Detects Oxygen, Carbon Monoxide, Hydrogen Sulfide, Lower Explosive Limit - Grainger extendedQty, qtyInStock0 moq, multiple1 MPN72-0233RKC Distributor offers SellerSKUMOQIn stockMultiplePrices Grainger4KEL111