FLIP11 One Filter Kit with DIVE Filter for GoPro HERO 5, 6, 7, 8, 9, 10, 11
Neewer 3-Pack Diving Filter Kit for GoPro Hero 7/6/5 - Directly Attach on GoPro Lens - Enhance Color for Underwater Video and Photography for Diving, Snorkeling, and Scuba Diving (Red/Pink/Magenta) - Walmart.com