Boyu Carborundum Round Air Stone[Diameter - 40mm]

Round Air Stone  Diffuse air into the tank and provide oxygen for fish to breathe A necessity to have around your aquarium These are sturdy and durable Have high dissolved oxygen rate Create even and tiny bubbles rather than a limited number of large ones Round Air Stone  Diffuse air into the tank and provide oxygen for fish to breathe A necessity to have around your aquarium These are sturdy and durable Have high dissolved oxygen rate Create even and tiny bubbles rather than a limited number of large ones