Safe material: The bottom insulation of the aquarium fish tank filter is made of safe and environmentally friendly plastic, which will not have any negative impact on the water quality of the aquarium.Size: 30cmx15cm/11.8inch x 5.9inch x 0.3inch; You can use these dividers to easily divide your aquarium into several compartments for breeding or separation.Easy to use: grid dividers can be cut and spliced, clips can be attached anywhere in the aquarium, more convenient to use.The use of grid dividers can effectively separate fish populations, prevent fish populations from biting each other, improve the survival rate of fry, and isolate sick and aggressive fish.Practical clips divide larger tanks into compartments for breeding or separation. Suitable for: Isolation of fish, building platforms, bottom filters.Color: blackMaterial: ABSPackage contents:8 * Filter grids10 * Suction cupsOnly 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 +/- 1-3 cm.