LINLAN 8 Pieces 11.8x11.8in (30X30cm) Aquarium Grid Plastic, Fish Tank Divider, Egg Crate for DIY Filtration and Bottom Protection in Aquascaping (Black-No Accessories)Brand: LINLAN Color: Black Features: High quality Material The aquarium tank divider is made of high quality PVC material. Whether in fresh or saltwater, it will not affect the water quality or the health of fish, shrimp, and aquatic plants. It is corrosion resistant, practical, and durable. The grid panel is buoyant and requires fixation for application. Adjustable DesignWith its grid structure and interlocking edges, this isolation board is