Features:

This filter is designed for diving fans who like taking photos and videos under water
Due to wave refraction, pictures taken underwater may suffer color distortion. Using this color correction filter, pictures taken under water will be more lively and natural
Directly use on the waterproof lens cover ,very convenient
Improve underwater colors
Compatible With: For GoPro Hero 4 3+
Color: Purple, Red, Yellow, Grey
Material: ABS
Size: Approx. 5.3x4.8x1.2cm/2.09x1.89x0.47 inch

Package Included:

4 x Underwater Diving Filter Lens (1pcs Purple + 1pcs Red + 1pcs Yellow + 1pcs Grey)

Detail Pictures: