MK Logic Plus Quadplexer with secondary telephone and single TV. It is 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. They are easy to install and available through our extensive distributor network. The range is backed by MK’s quality and reliability and provides the largest selection of wiring devices in any single range.