Stilo ST5 Double Layer Replacement Visor. Stilo anti-scratch/anti-fog visors require special care do to the nature of the anti-scratch and anti-fog treatment used. Do not use glass cleaners that contain ammonia. Tjose cleaning agents will damage the anti scratch and anti-fog coatings. Only use Stilo Visor cleaner part number STYA0640, and a micro fiber towel when cleaning your Stilo visor.