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
Dive Filter Yellow Red Purple Grey Orange Pink Underwater Diving Lens Filtro For Gopro Hero 3 3+ 4 Sj4000 Accessories - Sports & Action Video Cameras Accessories - AliExpress
FLIP11 Two Filter Kit with DIVE & DEEP Filters for GoPro HERO 5, 6, 7, 8, 9, 10, 11
Cube Filter Underwater Color Correction Dive Housing Gopro Hero 3+
4-Pack Diving Filter Kit for GoPro Hero 3 - Directly Attach on GoPro Lens - Enhance Color for Underwater Video and Photography for Diving, Snorkeling, and Scuba Diving - Walmart.com
PolarPro Red Filter for GoPro Hero3 / Hero3+ / Hero4 60m Dive Housing