Metalube Corp C32H Cleaner/Degreaser - 1 Quart Save up to 75% on hundreds of uses Cleans black streaks, awnings, rubber roofs, bugs, exhaust residue, carpets, RV wash down, etc. Safe for all surfaces, 4U is the concentrated industrial strength cleaner for all interior and exterior jobs One pint of concentrate makes four gallons of cleaner Quart refill