500psi is without question the clearest, longest acting and most effective defog on the market. Cleans your mask each time you use it. Extra thick consistency,works on Wet or dry application.

500psi defogs dive masks in extreme conditions such as chlorinated water or extreme cold water dives, never requiring any buffing or drying.

500psi provides maximum anti-fog capabilities. with one application supplying protection for an entire dive day.

Size:  2 fl. oz.