Pure Aqua Inc., of Mission Viejo, Calif., announces its MF-1000 and MF-410 series of epoxy-lined steel, top-mount and diaphragm valve-operated media filters. Vessels are manufactured in carbon steel, primer coated and epoxy lined, and have an operating pressure of 100 psi to suit most commercial and industrial applications. Systems are available to be filled with a variety of media from activated carbon, birm, and filter Ag to multi-bed combinations of sand, gravel, anthracite and garnet.