Amazon.com : 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 : Electronics
Amazon.com : Neewer 58mm Action Camera Lens Filter Kit - (4)ND Filter (ND4/ND8/ND16/ND32), (1)CPL Filter, (1)UV Filter, (2)Lens Cap, (2)Adapter Ring Compatible with GoPro Hero 5 6 7 Action Camera Lens Accessory :