GoPro Hero 4, underwater lighting and filters | LIFE OF THE WORLDS
Flip Filter system and macrosystem for GoPro 5,6,7,8 and 9
Amazon.com : GoScope (60M) Red Filter - Compatible with GOPRO HERO4 / HERO3+ / HERO3 Dive HOUSING (60M Case Only) Laser Cut Optical Red Filter (See Pictures to Make Sure This FITS
PolarPro GoPro Underwater Filter 3 Pack
Amazon.com: CamKix Diving Lens Filter Kit Compatible with GoPro Hero 4, Hero+, Hero and 3+ - fits Standard Waterproof Housing - Enhances Colors for Underwater Video and Photography - Includes 5 Filters : Arts, Crafts & Sewing
Guide for the Best Filter for your GoPro - Underwater Photography - Backscatter