On/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. Proprietary cap to fit 80 oz. bottle. One handed bottle activation point mitigates foam. Provides bottle fill and bucket fill option for all four products. Meets ASSE Standard #1055, Performance Requirements for Chemical Dispensing Systems. Pre-plumber dispenser makes for fas t installation.