Bower Xtreme Action Series 6-Piece Filter Kit for GoPro FK5UW
Red filter blue water for GoPro Hero3+/4 Sharkhon
Underwater Red Lens Filter GoPro Hero 3
Red filter for GoPro HERO 3 Dive housing: buy at Wazza online-store
Jual Filter Colour For Standard Housing GoPro Hero 3 3+ 4 Red Filter / Yellow Filter / Black Filter | Shopee Indonesia
GoScope Optical Red Filter for GoPro Hero 3 : Amazon.com.au: Electronics
Red filter blue water for GoPro Hero3+/4 Sharkhon
PolarPro Switchblade 2.0 Red Macro Combo Filter Aqua Series for Hero 3/3+/4 (60M) - Urban Gadgets PH
GoPro Hero3+ & 4 Red Filter | shop
PolarPro Switchblade 2.0 Red Macro Combo Filter Aqua Series for Hero 3/3+/4 (60M) - Urban Gadgets PH
3 Pack Filters Kit Red Magenta Snorkel Lens Red Color Filter for GoPro HERO 8 Black Super Suit original Housing Case Accessories|Sports Camcorder Cases| - AliExpress