Isolation Function: Aquarium divider can be used to separate different fishes, prevent fish from fighting. And can increase the survival rate of breeded fish by separating the aggressive fish and weak fish. Safe Material: Fish tank divider is made of plastic, safe and , non-, and no harm to your fishes, and not affect water quality, you can use it with confidence. Appropriate Size: The size of aquarium filter grids is 30x15cm, and the diameter of the hole is 15mm, can isolate most sizes of fish. Splicable Design: Aquarium filtration plate can be spliced at , you can divide the fish tank into separate compartments for breeding or separation according to the size of your fish tank. Value Package: Comes with 30 pieces aquarium separation grids in Transparent White color, and 60 pieces sucker clips, can be used to isolate fish, build platforms, or use as a bottom filter. 1.Suitable for aquarium tubes, fish tanks, etc. 2.Not only can be used to isolate fish, but the platform can also be used as a bottom filter. Specifications: Colour:Transparent White Material:plastic Size:30x15cm Package Contents: 30 x Aquarium Divider 60 x Sucker Clips Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.