http://tinyurl.com/q8vmobc
GoPro Dive Housing Red Filter for GoPro Hero 1 Hero 2 Cameras -Color correcting filter for New Dive housing
Correcting the auto white balance on the GoPro and restoring vibrant colors to underwater videos.
The filter is easily installed by removing the 10 screws on the lens window and popping the filter in.
The Screws do require a special T6 star screwdriver to remove.
The Polarizer Filter for the Dive Housing will give users the option of reducing glare, and improving color saturation above water.