Dilution at Hand 4 gallon per minute dispenser for filling mop buckets, auto scrubbers and other large containers. Unit includes DEMA's patent pending remote fill gun which allows user to turn dispenser on and off at the end of fill hose. Now, instead of moving your bucket or scrubber to the dispenser, take the dispenser to your point of use using the remote fill option. Unit includes DEMA's ASSE 1055B approved Action Gap backflow preventer.