Tuttnauer TIVA2 Thermal High Disinfector Over the CounterThe Tuttnauer TIVA2 Washer Disinfector is a washer and thermal high disinfector combined, best used for dental and medical practices. It's available in a counter top model or under the counter model. This unit can safely kill bacteria and viruses on delicate instruments using 194 degree moist heat in a minimum of five minutes. During the sequence, it rinses the tools, cleans with demineralized water, rinses again with warm water, then undergoes a