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 60 ml) size with a 2 fl oz (30 ml) available with a Carabiner Clip.
The 500-PSI Mask Defog is commonly used for All Diving Applications, Cold Water, Professional, Recreation, Warm Water and more. The 500-PSI Mask Defog is most used by customers who consider themselves to be a Advanced, Recreational Diver among others. The 500-PSI Mask Defog is popular because customers like the following qualities of the 500-PSI Mask Defog: Easy To Use, Functional, Improves Diving Experience, Lightweight.