SOONSUN 3-Pack Dive Filter for GoPro Hero 8 9 10 11 Black Official Waterproof Housing Case - Red, Light Red, Magenta Filters - Enhances Colors for Various Underwater Video and Photography Conditions
SOONSUN Filter Kit for GoPro Hero 12 11 10 9 8 Black Magnifier Red Magenta Diving Color Filters for Go Pro Housing Accessories - AliExpress
Camera Butter Black Diamond Stick-on GoPro ND filters Hero 8/9 – NordFPV