Description: Material: Made of PP, this bottom filter board is lightweight yet sturdy, ensuring reliable use in your aquariumSize: Each fish tank grid measures about 30cmx15cm, providing ample space for your aquatic pets while not taking up too much room in the tankAquarium Grid Bottom Isolation Tray Board: Aquarium bottom filter grid is great for isolating fish, providing a safe and separate breeding environmentSet Includes: 6 pieces aquarium bottom filter grids, fish isolation board for aquarium dividerVersatile Use: The fish tank divider filter grid can be freely assembled and used as a climbing platform for turtles, adding more fun to your pet's habitat Specification: Material: PP Size Chart: 30cmx15cm/11.81inchx5.91inch Package Includes: 6 Pieces Fish Tank Bottom Filter Plates Note: Please allow slightly errors 1-2cm differences due to manual measurement.