Features:
100% Brand new and high quality!
Special design for Gopro Hero 3+ /4 Camera 
Ideal for sunny， tropical locations
Constructed of scratch-resistant， optical-grade glass.
Compatible with the Standard Housing only. 
Easily snap-on installation
How to choose the filter color?
Yellow Filter: Great for tropical waters in the morning， shallow blue water or to correct the colour tune from a tungsten lamp light 
Red Filter: Enhances red colour in blue waters 10-20m， particular around noon 
Purple Filter : Corrects colour tune in green (algae) waters 
Grey filter: Reduces light intensity to prevent over exposure in bright or snowy settings and reduces red colour from blue waters 

Specifications:
Color: Yellow/Red/Purple/Grey
Main Material: Plastic & optical-grade glass
Size: 55*50*12mm
Note:
The Camera and housing case are not included.

Package Includes:
1 * Diving Filter Len