Rugged wall-mounted system holding four concentraed bottles of chemical behind locked doors. A dial-4 selector for both mop bucket fill and spray bottle fill. Built-in flow regulator makes dilutions accurate within a wide variety of water system pressures. The snap-out valve assembly makes tool-less service seasy without the need to remove the cabinet from the wall. A.S.S.E. approved backflow preventors. Tubing and water connection hose comes pre-plumbed and ready to hang.