This 3.25 litre dispenser is designed for special use with GrittyFOAM cartridges. It is protected with BioCote a silver-based antimicrobial agent that inhibits the growth of bacteria and moulds on the surfaces of the dispenser. Guaranted for life. It utilises patented foam pump technology and is rigorously tested for high usage environments . It is perfect for use on heavy, general and light industrial, construction, and vehicle maintenance/Repair.