Pawfly Aquarium 2 Inch Air Stone Cylinder Bubble Diffuser Release Tool for Air Pumps Fish Tanks Buckets and Garden Ponds, 4 Pack

Key features

• Small but Enduring: Each cylinder measures 1" D x 2" H and weighs 1.6 oz. Small but well-constructed for continual bubbling. Ideal for small fish tanks or aquariums.
• Medium Bubbles: The air stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
• Model: ASC-050; Jetting volume: 3 L/min; Recommended air pump power: 4 W - 8 W; Standard ID airline tubing: 3/16". Also great for aerating small ponds of gardens.
• Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep your fish growing healthily.
• Easy to Use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.