Aquarium -Undergravel Filter Panel Highlights Generic Brand Undergravel Filter Panel Description: Combination splicing design, flexible and easy to use. Free combination, unlimited expansion depending on the size of the aquarium. 3*3MM/0.12*0.12inch super dense mesh, can directly lay landscaping sand or water grass. Made of food grade plastic, shiny and never release toxic substances, ensure the safety of fish and shrimp. Flexibility, scissors can be used for cutting. Suitable for 2.5cm/0.98inch tube. Specification: Material: Plastic Color: Black/White Size: 14.5x14.5x2.7cm/5.71x5.71x1.06inch Package includes: 10 Piece Fish Tank Plates Note: We endeavor to display items and colors as accurately as possible. possible. However, since computer screens vary, we cannot guarantee that your monitor screen, regardless of color, will fully match the actual product. Due to manual measurement, there may be an error of 1-2cm.