Designed for larger than normal domestic dwellings, OzoneMaster Pro is ideal for use in Boarding Houses, Care Homes, Small Hotels etc. Housed in an attractive gray case, with black front panel, the OzoneMaster Pro blends in with most surroundings. It is perfect for removing any unpleasant smells normally associated with Care Homes, cooking smells from large kitchens like fried fish etc. Direct mains connection via Figure 8 socket, comes complete with lead and plug to fit your electric supply. Operates from 100 - 240 volts AC.