Manual dispenser features transparent sides to let you clearly see soap leaves without having to open the cover. Dispenser uses durable plastic components and is rigorously tested for high-usage environments to provide assurance of quality and long-term cost-efficiency. Dispenser push button is exclusively protected by BioCote， a silver-based antimicrobial agent that is incorporated into the 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. Fixed product dose delivers the exact amount required to control usage and waste. Ultrasonically sealed cartridge and pump mechanisms prevent the ingress of air into the cartridge during use to help prevent product contamination and ensure fresh product is dispensed every time. Dispenser is designed for S.C. Johnson Professional 1 liter manual cartridges (sold separately).