EelVision Polarizer Filter for GoPro HERO4 / HERO3/3+ - Polarizing Accessory Surf Ski Snow This polarized filter reduces glare from the sun, increases color saturation and allows clear water to be seen through Produces deep blue dramatic skies when filming perpendicular to the sun Limits the amount of light on extremly bright conditions No tools needed to install or remove - it fits snugly and firmly from inside the housing! Compatible with HERO3 cameras (Black, Silver and White)