Depth filtration for valuable liquids since 1938. SuperSorb® – An innovation in frying oil filtration technology to the foodservice industry. We developed Carbon Pads and Carbon Envelopes with and for foodservice operators, specifically for the filtration and treatment of frying oil. A unique combination of activated carbon and specialty adsorbents, built into a depth of cellulose fibers, offer both a fine oil filtration and treatment by removing damaging contaminants. Our Carbon Pads are easy-to-use and environmental friendly. Filtration is what we do. People are why we do it.