GoPro Filters and Color Correction - Brent Durand Underwater
Amazon.com : YALLSAME Dive Filter for GoPro Hero 11 10 9 Black with Color Red Filter and Magenta Filter, Diving Snorkeling Underwater Recording Accessories for Go Pro 9 10 11 : Electronics
Best GoPro Filters For Cinematic Videos & Better Pictures
Best ND filters for GoPro – Droneblog
FLIP10 Pro Package with Shallow, Dive Filters and +15 Macro Lens