Amazon.com : QKOO Underwater Diving Red/Pink/Magenta Filter for GoPro Hero 11 10 9 Black (Directly Replace The Standard Protective Lens On Your Camera) : Electronics
Underwater Diving Red / Pink / Magenta Filters for GoPro Hero 9/10/11 – QKOO
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
SANDMARC Aqua Dive Filter for GoPro Hero 7, 6 & 5 Super Suit - Red, Magenta & Yellow
Do I really need red filter for filming with GoPro underwater if I can post-edit materials later? : r/scuba
Guide for the Best Filter for your GoPro - Underwater Photography - Backscatter
All About GoPro Filters Underwater - YouTube
GoPro Red Filter - When and how to use it for snorkeling and diving