Fat Cat Luxury Diving Color-Correction Filters kit3 corlor / Pack contains all the filters you need when above and below water. - Red (Blue & Tropical Water) - Needed to capture vibrant underwater colors at depths of 10 to 65 feet. - Yellow((Blue & Tropical Deep Water) )Needed to capture vibrant underwater colors at depths more than 65 feet. - Magenta (Green Water) - Reduces the green tones when filming in green water at depths of 1 - 70 feet. Armed Your Heroes Enjoy the underwater adventure.