GoPro Anti Fog Inserts
GoPro Anti-Fog Inserts go inside your GoPro camera housing to prevent fogging up in cold and damp environments; they usually last up to four uses and you can dry them out in the oven (150 degrees C) for five minutes. Keep in an airtight bag.
Insert into housing to prevent lens fog in cold and humid environments
Reusable up to four times
Compatibility: HERO4, HERO3+, HERO3, HD HERO2, Original HD HERO - See more at: