Feature: 1. The lens frame is made of aero‑grade aluminum alloy with CNC precise machining and anodized surfaces treatment. 2. Easy to install and remove, with high definition optical glass production, strong and durable in use. 3. MCUV filter adopts multi‑layer coating film, which is suitable for shooting under the environment of seaside, mountain, snow field and open area, etc., and can weaken the blue hue caused by ultraviolet light. 4. At the same time, for the camera, it can also eliminate the interference of ultraviolet on CCD, which is helpful to improve the clarity and color restoration effect. 5. Adopt double‑sided multilayer nanometer coating process, waterproof, scratch‑proof and oil‑proof, make the lens surfaces form a protective layer that prevent water‑drop and oil can not absorb the surface, easier to clean and maintain. 6. Designed for GOPRO HERO9 motion camera, the lens protective cover replacement filter gives you better shooting effect. Specification: Condition: 100% Brand New Item Type: MCUV Lens Filter Material: Aluminum Alloy + Optical Glass Color: Black Product Size: Approx. 32x32x5 mm/1.3x1.3x0.2 inWeight: Approx. 47.0g. Package List: 1 x MCUV Lens Filter Note: 1. Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.