1000mL Citrus Foam Soap Cartridge Carton of 6 There is 1 L in each Cartridge, Clean your hands between tasks with this cleansing soap. It is ideal for use in bathrooms, kitchens and other washing up areas. These are compatible for use in the EK830 Foam Cartridge Dispenser Each cartridge is easy to load so you can do it yourself. There are 6 cartridges in this carton so you can stock up at once.