Air Stone Ball Shape 0.78" 20mm

The air stone, whose purpose is to gradually diffuse air into the tank, providing oxygen for fish to breathe. Aquarium air stones moderate in size and outputs a large steady stream of tiny bubbles, no leaks, add enough oxygen to your fish, and also make your fish tank more beautiful. Air stones extend the life of your nutrient solution, help keep roots healthy, and promote exceptional growth. This stone is a must have for your aquariums.