500 PSI Mask Defog is without question the clearest, longest acting and most effective defog on the market. One application works for at least three dives in one day. Cleans your mask each time you use it. Wet or dry application, has the consistency of extra thick toothpaste, and when applied to the lens typically lasts all day long. 500-PSI Mask Defog comes in 2 or 4 fl. oz. (59 or 118 ml) size with a 2 fl. oz. (59 ml) available with a carabineer clip.

500-PSI Mask Defog Features

• 500-PSI Mask Defog
• De-Fogs Sports Lenses
• Great for Snorkel or Dive Masks
• Clearest Longest Acting Defogger
• One Application/Three Dives
• Cleans Lens Each Time
• Wet or Dry Application
• Applicator: Spray Bottle
• Content: 2 or 4 fl. oz. (59 or 118 ml)
• 2 fl. oz. (59 ml) Available with Carabiner Clip