FLIP11 One Filter Kit with DIVE Filter for GoPro HERO 5, 6, 7, 8, 9, 10, 11, 12
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 Your Camera CASE
Diving Lens Filter Kit for GoPro Hero 4 and 3+ - Waterproof Housing – CamKix
Bug 3 Underwater Kit for GoPro HERO3+, Includes LEE Bug Holder, Blue Water Filter (Red), Green Water Filter (Magenta), Protective Pouch - Walmart.com