MARMERDO 2pcs Fish Tank Grid Fish Tank Isolate Board Tank Separator Aquarium Divider Tray Gravel Filter Egg Crate Grid Divider 40 Gallon Plastic Tank Divider Egg Tray Plastic Jar Isolation - Y5M406E048444

• 40 GALLON-- Dense hole design, easy to lay the bottom mud for more convenience. AQUARIUM LIGHT DIFFUSER-- DENSE HOLE DESIGN: The dense hole design makes it easy to lay the bottom mud, create a first- class aquarium ecological environment, and increase the water permeability. FISH TANK BOTTOM ISOLATION-- Compact in size and light in weight, it won't take up much space. AQUARIUM FILTER SEPARATION BOTTOM-- Aquarium tank divider can be spliced at will with good water permeability. FISH-- With stable and rationalized bottom design, it can be stably placed on the fish tank.