Amazon.com : SOONSUN 4-Pack Lens Filter CPL ND8 ND16 ND32 Filter for GoPro Hero 5 6 7 Black, Neutral Density and Circular Polarizing Lens Filter Kit Lens Protector for GoPro Hero 5 6 7 Black Camera : Electronics
Go Pro Hero 4 ND Lens Filter For GoPro HERO 4 / 3+ / 3 and fit SJ5000 Action Camera accessories - Price history & Review | AliExpress Seller - Good Deals Store | Alitools.io
Amazon.com : CamKix Diving Lens Filter Kit Compatible with GoPro Hero 4, Hero+, Hero and 3+ - fits Standard Waterproof Housing - Enhances Colors for Underwater Video and Photography - Includes 5 Filters : Electronics
New Go pro Hero 4 3+ Camera Accessory, Aluminium Metal Housing Frame Alloy Protective Case +UV filter for Gopro 4 hero4,hero3+ _ - AliExpress Mobile
GOPRO HERO4 SILVER & BLACK LENS AND FILTER KIT WIDE ANGLE LENS + TELEPHOTO ZOOM | eBay
Dive Filters for GoPro Cameras
GoPro HD HERO 3+ 4 Black Silver Red Dive Filter + Dive Housing / SC-RF3+C / GoPro / Stuntcams - Stuntcams
Amazon.com : YALLSAME Waterproof Case with Dive Filter for GoPro Hero 4 Hero 3 Hero 3+ Filter Protective Housing Scuba Diving Snorkeling Underwater Photography Accessories for Go Pro 4 3 3 Plus Black Silver : Electronics
Polar Pro Aqua Series Red Filter For GoPro Hero3+, Hero4 with Standard Housing