5pcs Aquarium Isolation Board Fish Tank Bottom Filter Grid Plate White Isolation Mesh

"I know why you came, my friendFeature：- Made from non-toxic and eco-friendly plastic for both saltwater and freshwater tanks.- Dividers can be linked together or adjusted with a wire cutter.- Easy setup with simple stacking and pressing down.- Useful for bottom filtering and improving water circulation.- Great for separating fish or as a base in the tank.