TELESIN ND & CPL Lens Filters Set for GoPro Hero 12/11/ 10/ 9/ Mini – telesinstore
FLIP10 Two Filter Kit with Shallow & Dive Filters for GoPro Hero 12, 11, 10, 9, 8, 7, 6, 5
Amazon.com : SOONSUN 3-Pack Dive Filter for GoPro Hero 8 9 10 11 12 Black Official Waterproof Housing Case - Red, Light Red, Magenta Filters -Enhances Colors for Various Underwater Video and Photography Conditions : Electronics
Nflightcam Propeller Filter for GoPro Hero9, Hero10, Hero11, and Hero1 – Nflightcam.com
PolarPro Divemaster Filter Kit for Hero9, Hero10 and Hero 11 Black Protective Housing
PolarPro Shutter Collection ND Filter Set for GoPro HERO10/HERO9 Black
Guide for the Best Filter for your GoPro - Underwater Photography - Backscatter