GoPro – Red Dive Filter for Standard Housing - Image One Camera and Video
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
Guide for the Best Filter for your GoPro - Underwater Photography - Backscatter
Glass ND filter for GoPro Session 4/5 – Camera Butter
Diving Lens Filter Kit for GoPro Hero 4 and 3+ - Waterproof Housing – CamKix
Action Camera Filter Set 4pcs HD (ND8+ND16+ND32+CPL) withAnti-reflection Green Film for GOPRO Hero 9/10/11 - KENTFAITH
Polar Pro Polarizer Glass Filter for GoPro Hero 3,3+,4
TELESIN 3-Piece Diving Filter Set for Telesin GoPro GP-FLT-904
Amazon.com : TELESIN Waterproof Case with 3-Pack Dive Filter for GoPro Hero 11 Hero 10 Hero 9 Black Supports 60M/196FT Underwater Scuba Snorkeling Deep Diving with Red Magenta Filter Go Pro : Electronics