TELESIN CPL/ND Filter Set For GoPro HERO9/10/11 (CPL, ND8, ND16, ND32) | HERO GEAR
Amazon.com : YALLSAME Dive Filter for GoPro Hero 11 10 9 Black with Color Red Filter and Magenta Filter, Diving Snorkeling Underwater Recording Accessories for Go Pro 9 10 11 : Electronics
Amazon.com : GoPro HERO11 Red Filter: Includes 60m (196ft) GoPro Underwater Housing & 3 Filters - Laser Cut Low Iron Glass (Superior Clarity) - [Compatible with GoPro HERO11, HERO10, and HERO9] : Electronics
FLIP7 One Filter Kit with DIVE Filter for GoPro 3, 3+, 4, 5, 6, 7
What's the Best GoPro Red Filter for Snorkeling & Scuba?