PolarPro Aqua Filter 3-Pack: Red Filter, Magenta, Snorkel Filter-For GoPro Hero4 Fits Hero4 and Hero3 Plus 40M Standard Housing, Hero, HeroPlus, Hero Plus LCD cameras Professional grade color correction formula for capturing vibrant underwater colors Includes 3 filters: Red Filter for tropical water, Magenta Filter for green water, and Snorkel Filter for shallow water Secure push-on installation for fast installation and removal 5 year support from PolarPro (US based)