Design only allows J-Fill® packaging to be used within dispenser. J-Fill® Spill-Tite™ cartridges are leak proof and virtually eliminates chemical exposure, tampering, and manually diluting products. Safe Gap backflow prevention. Number and color-coded labels for easier product identification. Dispenses accurate cleaning solutions with no measuring, mixing or mess. Allows you to choose from four different products with the turn of a dial. Metering tip in each J-Fill® cartridge ensures precise dilution. Lockable cabinet with keys.