7 Best GoPro (RED) Dive Filters for True Underwater Colors
SANDMARC Aqua Dive Filter for GoPro Hero 7, 6 & 5 Super Suit - Red, Magenta & Yellow
GoPro Red Dive Filter for Super Suit Dive Housing AAHDR-001 B&H
Underwater Filter Set for GoPro Hero 5 6 7 Black Super Suit Waterproof Dive Housing - Incl. Filters in Red, Light Red and Magenta - for Correcting Colors in Underwater Photography : Amazon.ca: Electronics