Founded in 1948, Allen Filters has developed a world class reputation for state of the art, customized liquid purification systems. They have developed extensive expertise in purification of lubricating oils, transformer oil, process fluids and waste water. They employ a number of modalities including but not limited to vacuum distillation, air-stripping, barrier filtration and Fuller's Earth extraction systems. They have the expertise to offer either off the shelf systems for common purification needs, or highly customized systems specifically tailored to a client's unique process requirements. Flow rates, level of cleanliness and separation processes are all optimized to precisely match each client's expectations. Energy efficiency and environmental responsibility are paramount when Allen Filters systems are constructed, and only the highest quality materials and workmanship are incorporated in Allen Filters systems. For over 60 years, long, trouble free operation that delivers a solid return on investment year after year has been the focus put into every Allen Filters purification and filtration product constructed.