Best 50128 Black Streak Remover

RV Cleaner-Black Streak Remover-1 Gallon. Best's Black Streak Removers wipe away black streaks with little or no rubbing. Removes black streaks from RVs, mobile homes and gutters. Removes mildew and stains from patio furniture. Quickly removes bugs, tar, brake dust and cleans white sidewalls. Safe on fiberglass, metal and painted surfaces when followed by rinse. Priced each.