Boyu Carborundum Long Cylindrical Air Stone[Diameter - 25x50x4 mm]

Long Cylindrical Air Stone Diffuse air in the aquarium and provide oxygen for the fish to breathe. It is considered a necessity to have around your fish tank. This product is characterized by strength and durability. It has a high rate of dissolved oxygen. Creates small and even bubbles instead of a limited number of large bubbles.