Parker's Finite Operation offers both Desiccant and Membrane Air Dryers. 

Finite Desiccant Dryers are the simplest and most reliable method of ensuring your sensitive pneumatic equipment is not exposted to damaging moisture.  The dryers are enginnered for easy desiccant changeouts, longer life, and lower pressure drop.

Finite Membrane Dryers utilize hollow fiber membrane technology as an alternative to pressure swing and refrigerant dryer technologies.  These dryers are engineered for easy installation, minimal maintenance, and long term reliability.  10 models are availabe to supply clean, dry compressed air with dewpoints as low as -40°F at 10 SCFM and +35°F at 40 SCFM.