20"" GREEN SCRUB BRUSH ALTERNATIVE SCRUBBING PAD - 4 PER CASE THIS SCRUB PAD GETS DOWN INTO THE CRACKS AND CREVICES OF UNEVEN FLOOR SURFACES AND DEEP GROUT LINES FOR UNSURPASSED CLEANING RESULTS. IDEAL AS A SCRUB BRUSH ALTERNATIVE. EASY TO CHANGE. RECOMMENDED FOR USE ON MACHINES UP TO 500RPM. SOLD 4 PADS PER CASE.