RED snap-on filter specially designed for the GoPro Hero 3Plus   Original housing case, it helps reduce the overall blue tone of the blue ocean water and brings back other colors.  A good assistant to help you shoot the real image under the blue ocean. Compatible with Hero 3Plus 

RED snap-on filter specially designed for the GoPro Hero 3Plus   Original housing case, it helps reduce the overall blue tone of the blue ocean water and brings back other colors.  A good assistant to help you shoot the real image under the blue ocean. Compatible with Hero 3Plus   ONLY. Easy snap-on installation. Durable scratch resistant Glass. The color correction filter reduces the overall blue tone of underwater video, and brings back the other colors. Perfect for blue and Tropical water diving . For use from 10-15 feet. including: 1 * Under Sea Diving Glass Filter for GoPro HERO3  Plus