Features: Exclusively for 13/12/11/10/9, this dive filter enhances underwater color accuracy by reintroducing lost red spectrum below 10m depth, delivering footage through its metal glass construction. Features secure sliding mount with safety for attachment and interchangeable red filters optimized for specific depth in saltwater or freshwater environments. Ideal for divers, snorkelers, and underwater videographers seeking professional color correction without compromising housing protective during aquatic adventures. Perfectly adapts to reefs, freshwater lakes, or shallow snorkeling zones, maintaining while preventing water droplets through its integrated silicone gasket and protective storage case. The premium aluminum alloy frame houses scratch resistant glass lenses, ensuring durability against marine conditions while compactly organizing all filters in the included waterproof carrying case. Specifications: Component:Metal+Glass Color:Red Size:Approx.32.6x32.9x6.8mm/12.83x12.95x2.67inch Package Includes: 1Pc Lens Filter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.