Roomba Main Brush unit - Original, Fits 500, 600 or 700 Series - refurbed
Roomba Main Brush unit - Original, Refurb, Fits 500, 600 or 700 Series. - remote the side brush - 1x cross head screw. - loosen the 4 gold, cross head screws from the old unit. - unscrew the bottom plate - 4x cross head screws.