KARCHER BR 30/4 C Compact Roller Scrubber DriersKARCHER BR 30 4 C Compact Roller Scrubber Driers order no. 1. 783 224. 0 Professional small area scrubber dryer that operates like an upright vacuum cleaner. Krchers BR 30 4 C scrubber dryer eliminates the hassle and safety risks associated with floor mopping in public areas. As easy to use as an upright vacuum cleaner, the 30 4 thoroughly cleans and dries floors in a single pass, and can also be used for deep cleaning. Using a BR 30 4 C is faster,