Compact, regenerative CO2 adsorbers capable of delivering up to 2 SCFM (60 lpm) of dry, CO2-free air at a dewpoint of -100ºF (-73ºC) and a CO2-content of less than 1 ppm. Ideal for FTIR spectrometer purge and emissions monitoring applications. Units come standard with an inlet particulate filter, inlet coalescing filter, purge mufflers, wall-mount bracket and outlet filter regulator assembly. Accessories include a moisture indicator, sound suppression kit, flow meter, and surge tank.