[Premium Quality]Made of durable ABS material with professionally crafted lens for clearer imaging. [UV Protection]Effectively blocks ultraviolet rays, reduces haze, and corrects color aberrations in landscape photos. [Versatile Color Options]Choose from purple, red, and pink filters to capture the best underwater scenes in various environments. [Enhanced Underwater Photography]Corrects color balance, prevents over-blue or over-green shots, and restores natural, warm colors in underwater settings. [High Transparency]Ensures high color reproduction for more vibrant photos while protecting the lens from water and scratches. [Wide Compatibility]Compatible with PULUZ Diving Protective Case (PU527) and suitable for GoPro Hero11 Black, HERO10 Black, and HERO9 Black cameras. Specifications: Material: ABS Purple Filter: For green water at depths of 5-25 meters Red Filter: For use at depths of 10-20 meters around noon Pink Filter: For enhancing contrast and restoring natural colors in blue water