Case: Durable plastic;Span Gas: 17 liters, DOT Cylinder - 39, Oxygen - 0 - 235%, Methane - 0 - 25%, Hydrogen - 0 - 20%, Carbon Monoxide - 20 ppm, Mole % - 00005 - 10%, Nitrogen - Balance;Zero Gas: Cylinder - 17 Liters, DOT Cylinder - 39, Oxygen - 235 %, n-Pentane - 075 %, n-Hexane - 048 %, Nitrogen - Balance;Regulator: Flow Rate 1/2 LPM, Pressure gauge, Continuous flow

• Allegro Industries 9872-60 CO Monitor Calibration Kit, Standard
• Standard

Allegro Industries 9872-60 CO Monitor Calibration Kit, StandardAllegro Industries