Virkon, Conficlean, Formula H, - some of the best concentrated disinfectants available, to help ensure your pets stay healthy. These are concentrates to dilute down, that kill bacteria, viruses and fungi in your house and kennels. Many of these products are used in environments where hygiene is of paramount importance to stop the transmission of life threatening 'bugs' - so we supply to vets, laboratories, cruise ships, ecologists and so on ...