Compatibility: This filter kit is compatible with GoPro Hero 12 Black/ Hero 11 Black / Hero 11 Black Mini / Hero 10 Black / Hero 9 Black action camera. (Fit for camera's lens directly, NOT fit for housing case.) ND Filters (Neutral Density Filter): The ND filter can reduce the amount of light coming into the camera sensor which is suitable for daylight photographs. The package includes ND8, ND16, ND32 filters for different daylight conditions. Snorkel Filter: With the help of snorkel filters, you can capture vivid photos when you are snorkeling or exploring shallow dives underwater. (The light red filter is for blue water or freshwater at the shallow depth of 2 to 25 feet; the magenta filter is for freshwater lakes or reservoirs at depth of 2 to 25 feet.) CPL Filter (Circular-Polarizing Filter): The CPL filter can remove the unwanted glare from reflective surfaces, such as reflections from a glass window, lake, snow or cloud. Package Includes: 1x ND8 filter, 1x ND16 filter, 1x ND32 filter, 1x CPL filter 1x Snorkel filter(Light red), 1x Magenta filter, 1x Clean cloth, 6x Tether.