The Shutter 3-Pack of neutral density filters for the Hero13 Black, Hero12 Black, Hero11, and Hero10 allows action enthusiasts to reduce shutter speeds to cinematic levels. The set includes three essential filters; an ND8, ND16 & ND32— ideal for mid-day or bright filming environments. Custom-engineered to directly replace the front lens element on the HERO11 Black Cameras, each filter features CinemaSeries™ Glass with the durability and protection built to withstand impact and fast-paced environments. With the inclusion of ND filters in your workflow you'll always have the right tool to capture the action.   FEATURES Compatible with Hero13 Black, Hero12 Black, and Hero 11 Black CinemaSeries™ Glass - 16 coating layers reduce flaring and help protect against fingerprints, oils, and scratches. Includes ND8, ND16, ND32 filters + protective hard case. Adventure Assurance™ - Be satisfied with your PolarPro gear throughout your adventures or your money back. To download the digital user guide click here.