Fat Cat F-DR4 Professional Underwater Diving Color-Correction Filters with Amazing Flipping Design for Hero4 / Hero3+.

Arm your Heroes, enjoy the underwater adventure.

- Yellow for shallow 5-30 feet depth blue water;

- Red: Needed to capture vibrant underwater colors at depths of 30 to 100 feet blue & tropical water.(New Zealand, MV Maldives, etc);

- Magenta: Reduces the green tones when filming in green water at depths of 10-100 feet depth green water.