Warrender, Ltd. has announced the release of its CHEMAG cartridge and horizontal disc filtration systems, featuring all solid polypropylene construction to resist corrosion. The company also offers zero heat leakage heat-fused polypropylene pipe, fittings, diaphragm valves and seal-less mag-drive pumps that meet the latest EPA standards governing toxic emissions. A complete range of sizes are available with flows to 30,000 gph. www.warrender.comWarrender, Ltd.