Amazon.com : QKOO Underwater Diving Red/Pink/Magenta Filter for GoPro Hero 11 10 9 Black (Directly Replace The Standard Protective Lens On Your Camera) : Electronics
PolarPro Snorkel Filter Hero4 for GoPro Hero3+ / Hero4 40m Standard Housing
Diving Red / Pink / Magenta Filters for GoPro Hero 11/10/9 Black (Fits – QKOO
FLEX DIVE Filter for GoPro Hero3+ and Hero4 Standard Housing
GoPro HD 3+ 4 Oculus Red Filter Plus Dive Housing / OC-GPRFI3+C / GoPro / Stuntcams - Stuntcams
Diving Lens Filter Kit for GoPro Hero 4 and 3+ - Waterproof Housing – CamKix
GoPro Red Dive Filter for Standard Housing #ABDFR-301 - Silvio's Camera & Digital
Free shipping + tracking number 4pcs Lens Filter Diving Filter Gopro HERO 3+ 4 Camera Housing Case Underwater Lens Converter|dive filter gopro|filter goprolens filter - AliExpress
Diving Lens Filter Kit for GoPro Hero 4 and 3+ - Waterproof Housing – CamKix
Amazon.com : GoPro Red Dive Filter (for Standard + Blackout + Camo Housing) (GoPro Official Accessory) : Electronics
GoPro Red Dive Filter (for Standard + Blackout Housing) - Island Surf & Sail
FLEX SHALLOW Filter for GoPro Hero3+ and Hero4 Standard Housing