Sloan ESD-325 Foam Soap Refill This soap is a uncolored and unscented foam soap. It comes in a 1,500ml bottle that includes a new black straw that is inserted into the soap dispenser. This soap is used on the ESD-500, ESD-600, ESD-700, ESD-800, ESD-1500, ESD-2000 and ESD-2100 Sloan Soap Dispensers. ... See More