Compact, regenerative CO extractors capable of delivering up to 5.4 SCFM at 100 PSIG of dry, CO-free air, with a dewpoint of -40°F (-40°C) and a CO content of less than 2 ppm. Ideal for emissions monitoring applications. Units come standard with a moisture indicator. Accessories include an inlet particulate filter, inlet coalescing filter, outlet filter-regulator assembly, flow meter, surge tank, wall-mount bracket and sound suppression kit.