Experience the top-rated defog solution favored since 1996 by Scuba Diving Magazine, designed to keep your mask crystal clear with every use—applicable wet or dry in a convenient 1 fl. oz. size. The scrub effectively removes mold release and other residues from new masks while gently clearing buildup on older ones, also in a 1 fl. oz. bottle. This combo pack provides all you need to prepare a new mask or refresh an older one, earning the Tester’s Choice award for quality and performance.