The Nerdwax FogBlock is a reusable coated microfiber cloth that keeps your lenses fog free.

Simply dampen your lenses and wipe evenly with cloth.

  • Safe and effective for use with all lenses and coatings
  • Stays effective for 1 year or 300 applications when kept in pouch

All Nerdwax Fog Block sales are non-refundable or returnable.

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