Polar Pro GoPro HERO3+ / HERO4 Aqua3+ Red Iridium Scuba Filter (P1001) - NEW!
Polar Pro GoPro HERO3+ / HERO4 Aqua3+. Iridium Red Scuba Filter (P1001) - New 2.0 Version! This filter fits GoPro 40m standard waterproof outer housings that have no silver screws around the square black outer lens area.