Collinite 920 Fiberglass Marine Cleaner - 64oz [920-64OZ]920 Fiberglass Marine Cleaner 64oz The ideal pre wax item, No. 920 cuts fast and finishes the smooth removing film, mild moderate UV oxidation chalkiness, discoloration, and tough stains from fiberglass. Easy to use compound restores original color and gloss to facilitate the easy application of Collinites last step waxes; improving wax bond, spread coverage, and durability. Features: Removes mild moderate oxidation Removes black streaks Removes tough