Excellent plastic material comb prevent debris from entering the overflow box. Prevent young fish and shrimp from being sucked into the overflow box. Easy to use directly. Provides efficient water flow. It is safe and practical comb. Features -Color:White -Material:Plastic -Size:30.00X5.00X0.30cm/11.79X1.97X0.12in -The reliable plastic material used in this product ensures both safety and durability, making it a reliable choice for fish tanks and aquariums. -The unique design of the overflow comb effectively prevents water from spilling over. -This product can be easily placed in interconnected aquariums, serving as a fish to prevent fish from swimming into unwanted areas. -The high transparency of the material allows for easy cleaning. -It is a practical and necessary kit for the fish tank starter, which is easy yo use and install. Package list: 1 tank comb