MultiPure, dba Carbon Block Technology, is the leading manufacturer of solid carbon block filters and drinking water treatment units. Our innovative filters are available in a broad range of specifications and performance capabilities. Known for high quality and superior performance, MultiPure's filters have been tested to reduce the widest range of contaminants of health concern including: Arsenic V, Mercury, Lead, TTHMs, VOCs, MTBE, Cysts, PCBs, Toxaphene, Chlordane, Chloramines and more. Listed with NSF Standards 42 and 53.