MK Logic Plus Flush Mounting Stylish, quality, reliable and safe products that incorporate a host of design features which make the installers job easier and quicker. Logic Plus products are made from a high grade thermoset material which has an inherent antimicrobial property. In recent independent tests, the Logic Plus products were equal to, or exceeded, competitor ’Anti-Bac’ products when tested for resistance to MRSA, E-Coli, Salmonella and Klebsiella Pneumoniae.