... . Scrub, suction at one step Efficiency: 1900 s.q.m Floor Scrubber GM50/GM50B Brushing, suction can be done in one ... step, and floor as good as new after brushing. Dirty water, soil, sands ... tank. Scrubber can clean different material and different surroundings floor, for example: epoxy resin ground, paint ground, concrete, tile ground, etcBenefits:1 ...