Diving Lens Filter Kit for GoPro Hero 4 and 3+ - Waterproof Housing – CamKix
PolarPro Red Filter Hero4 for GoPro Hero3+ / Hero4 40m Standard Housing
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
FLIP10+ Pro Package with DIVE & DEEP Filters & +15 MacroMate Mini Lens for GoPro HERO 5, 6, 7, 8, 9, 10, 11
Polar Pro Aqua Series Red Filter For GoPro Hero3+, Hero4 with Standard Housing
Amazon.com : GEPULY Standard Waterproof Housing Case with Dive Filters for GoPro Hero 4, Hero 3+, Hero3 Action Cameras - 147 ft (45M) Underwater Photography - with Red, Light Red, Magenta Filters : Electronics
Red Lens Housing Case Filter for GoPro HERO8 Black | eBay