ITS absorbers, with external gas glycol exchangers, maybe purchased by themselves or complete with accessories and controls; most sizes are ready to ship.  Stock contactors are offered with an integral inlet scrubber and dual stainless steel wire mesh pads.  All ITS stock 16", 20", 30" and 36" contactors / absorbers are offered as 8-tray clean outs.  Smaller contactor / absorber are offered with carbon steel pall ring packing and easy to remove glycol inlet distributor and also have an internal redistributor.  Larger contactors / absorbers can be custom designed and manufactured to your specifications.