The SureBlend q delivers an easy to use dilution control system. These pre plumbed units do not require installers to connect a mess of water lines to different chemical compartments. Simply hang this unit with the included mounting template, connect your main water supply and you are on your way. The single key locking cabinet houses four chemicals which can be selected by turning a dial and switching from large container filling to a quart bottle. The features of this unit are: On and Off push button locks for filling up mop buckets and automatic scrubbers, chemical view window for monitoring product usage, single knob for intuitive product selection, fresh water rinse, single key locks both cabinet doors, provides bottle fill and bucket fill for all four products. Meets ASSE standard number 1055, performance requirements for chemical dispensing. 1 each.