Underwater color correction filter to reduce blue and green tints and restore vibrant colors while diving. * Bundle contains two filters, for blue and blue-green water (BG) and for shallow waters (SW) * It can be installed and removed easily from inside the HERO3 housing. * Does not require to remove screws and does not void GoPro"s warranty! * Compatible with GoPro HERO3 housings (Black, Silver & White) only.