Boyu, Airstone Length 20cm (8inch), 1pcs

Mineral Sand Air Stone Bars

Perfect for creating an air bubble curtain that increases oxygen in your fish tank

Made from compressed mineral sand

provides fine and constant aeration to your tropical fish tank.

For larger tanks, multiple air stones can be used in a series. Position this air stone flat or at an angle; it’s blue color will blend in with the surroundings of the tank. The air stone can also be covered in gravel to be completely hidden from sight. The extended sides provide leverage to prevent the air stone from floating in the tank and can be secured under gravel. This aquarium aerator measures 8 inches and is suitable for both freshwater and marine tanks. Long lasting and durable.