The Cleanse Heavy dispensers are for use in the industrial and food service/processing markets. This dispenser line features two different sizes: The medium Cleanse Heavy dispenser is made for the 2 liter cartridges The large Cleanse Heavy dispenser is made for the 4 liter cartridges Use these dispensers with Solopol Lime, Solopol Classic, Solopol Classic PURE, Solopol Classic EXTRA, Kresto Citrus, Kresto Heritage, Kresto Classic and Kresto Cherry. All of these products are medium-heavy duty cleanse hand cleansers that have been developed to sit different work environments and contaminant types. BioCote Protected - Our dispenser buttons are exclusively protected with BioCote - a silver-based antimicrobial agent that is incorporated into plastic components at the time of manufacture and inhibits the growth of a broad spectrum of bacteria and molds. BioCote will not wear out or rub off and is effective for the lifetime of the dispenser button.