3M™ portable compressed air filter and regulator panel. This panel is an eight outlet air purification system that monitors carbon monoxide (CO). It has numerous features that add to worker protection. It is packaged in a protective carrying case for total portability. This four stage air purification system includes an adjustable regulator and gauge. For maximum efficiency of the panel, the temperature of the compressed air should be 35 to 150 °F (2 to 65 °C). Used in applications such as painting, asbestos abatement, petroleum industries, pharmaceuticals, chemical handling and metal grinding.