Salmon Hygiene Technology continues to strive to provide innovative solutions for cleaning managers with regard to the ever-present threats of disease and contamination. The product line uses Irgaguard silver based anti-microbial additive built into all plastic parts. Used together with standard cleaning procedures, it effectively inhibits the growth of a broad range of molds, mildews and bacteria on the surface of the products themselves. Prevents in excess of 99% of bacterial contamination including MRSA and E-Coli. Tested & Proven... The silver based anti-microbial additive has successfully been tested by the Department of Public Health at the University of Helsinki in Finland and received the U.S. EPA (environmental protection agency) registration (EPA Reg 40810-18). FDA Approved Materials.