KDF Fluid Treatment Inc., of Three Rivers, Mich., offers a new full-color brochure featuring its unique KDF® 55 Process Medium. It provides a highly effective means of removing contaminants in water at the point of use. The brochure includes charts, graphs and illustrations detailing the effectiveness of the medium as well as color photos depicting some of its numerous applications. It’s a high-purity formulation of copper-zinc alloy that reduces contaminants using a chemical process called redox or oxidation-reduction.