1. A complete set of filters perfectly compatible with for Action 6, featuring multi-layer coatings for waterproof, scratch-, dustproof, and oil- protection, safeguarding your for Action 6 lens from all-around damage. It meets the dual needs of ND filters and CPL polarizing filters, offering a variety of filter effects to choose from during , including ND/8/16/32 and CPL filters. 2. Each filter is made of high-definition optical glass, ensuring no impact on image quality. Multiple grinding and polishing processes create a low refractive index, guaranteeing reproduction for accurate color photography. 3. The aerospace-grade aluminum frame is engraved with a matte black finish, preventing light leaks and ghosting. Each filter undergoes rigorous testing; its design makes effortless. 4. The quick-release design allows for and faster installation, ensuring a secure fit on the for Action 6 during , eliminating the possibility of loosening. 5. Comes with a dedicated 4-pack of filter cases for convenient storage and filter protection, making it easy to carry and allowing you to change filters anytime. Color: As Shown Material: Aluminum Optical Glass Package Contents: 1 * ND8 Filter 1 * ND16 Filter 1 * ND32 Filter 1 * CPL Filter 1 * Cleaning cloth Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.