Diving Lens Filter Kit for GoPro HERO 3+ and 4 This diving lens filter kit enhances colors and improves contrast in various underwater video and photography conditions. The RED (SWCY) filters are ideal for tropical blue salt water or clear fresh water. They filter an excess of blue from the image and boost red and yellow. For 5-20 feet (1,5-6 meters), 20-50 feet (6-15 meters) and 50+ feet (15+ meters). The MAGENTA filter is ideal for fresh or salt water that is green (GR) in appearance, due to a high concentration of algae in the water. For depths between 20 to 130 feet (6 to 40 meters). The YELLOW filter is ideal for shooting pictures or video at night. For at depths up to 130 feet (40 meters). Easy 'Slip & Clip' system: Simply clip the lens holder onto the waterproof housing of your GoPro HERO 3+ or HERO 4 camera and slide in the filter that you want to use. This lens filter kit is designed for the standard waterproof housing of your GoPro HERO 3+ or HERO 4 camera (standard waterproof housing sold separately). Each filter comes with its own protective plastic sleeve to prevent any scratches. Contents: - 1x Clip-on Filter Holder - 3x Red Filter - 1x Magenta Filter - 1x Yellow Filter - 5x Filter Storage Bags - 1x Tether - 1x Cleaning Cloth - 1x Quick Start Guide CamKix If for any reason you are unhappy with any product by CamKix, please do not hesitate to contact us. We take full ownership and responsibility for the quality of our products and will do our very best to solve your problem quickly and efficiently! CamKix-USPTO# 86127507- is a registered trademark protected by US Trademark Law. CamKix products are sold by authorized sellers only.