DESC: Originally designed and built for NATO forces, this reliable and rugged dehumidifier is now available for industrial and commercial applications. The SPP6A easily maintains environments at relative humidity levels that prevent corrosion and/or the formation of mold or mildew. Uniquely suited to storage facilities that require the highest reliability and ruggedness, the SPP6A offers features not normally available to the commercial or industrial user. This compact unit can remove up to 25ppd of moisture in extreme environments.