Accessories and parts -OSMO ACTION ND4 filter OSMO ACTION UV filter Highlights generic brand OSMO ACTION ND4 filter OSMO ACTION UV filter Description: Optical glass used to ensure the best possible images for professionals The multi-coated optical glass lens filters the scratch, water and dust resistant images. Ultra lightweight CNC ring used in construction to prevent adverse effects on gimbal Attach/detach easier, designed for use with - DJI Osmo Action Camera Material: Glass + Aluminum Alloy Size Chart: Size: 70x80x14mm / 2.75x3.14x0.55inch Package Includes: 1 Piece OSMO ACTION ND4 Filter Note: Please allow 1-3mm measurement deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. THANKS!