8Pcs Plastic Fish Grid Divider Durable Holder Fish Tank Tray Egg Crate Aquarium - Features: - Easy to partner with any aquarium tank - very good Isolation Board. - Several Boards can match each other & work together as a bigboards. You can order more Boards for better using. - Specification: - Color:White - Material:Plastic - Size(L x W ):Approx. 30cm x 15cm - Packaging include:(optional) - Only 8x Filter Divider Trays(without suction cups) - 8x Filter Divider Trays Set (with suction cups)