Amazon.com : SOONSUN 3 Pack Dive Filter for GoPro Hero 5 6 7 Black Super Suit Dive Housing - Red,Light Red and Magenta Filter - Enhances Colors for Various Underwater Video and Photography Conditions : Electronics
PolarPro Polarizer Filter for GoPro Hero 7 / 6 / 5 Black
FLIP12 Two Filter Kit with DIVE & DEEP Filters for GoPro HERO 5, 6, 7, 8, 9, 10, 11, 12
PolarPro Polarizer Filter for GoPro HERO6 & HERO5 Black H5B-1003