CPL Filter / ND Filters / Lens Filter for GoPro HERO4 /3+ /3 Sports Action Camera 100% brand new and high quality This filter could limit the reflection from non-metal surface such as water and glass windows The CPL Filter / ND Filters / Lens Filter applies to GoPro HERO4 /3+ /3 Sports Action Camera Using the filter, the colors shall become brighter and clearer and the contrast shall be strengthened