Aquarium, It is very convenient to use and install. Flat and smooth, it is safe for fish. The aquarium grid can be spliced at will. Good water permeability. It increases the survival rate of farmed fish by separating aggressive fish from weak fish. The aquarium insulation board is made of PC plastic and has good toughness. / Description This aquarium grid plate can help you raise fish efficiently. It separates aggressive fish and small fish or injured fish in different places, which can prevent aggressive fish and injured fish from being eaten or fought by aggressive fish. And it safely separates hatchlings from other fish and improves the survival rate of juvenile fish. Feature - Color: Black - Material: PC Plastic. - Size: about 29.6 x 14.8 x 0.5 cm - It increases the survival rate of farmed fish by separating aggressive fish from weak fish . - It is very convenient to use and install. - Can be spliced at will. Good water permeability. - Flat and smooth, it is safe for fish. Package