Pawfly Aquarium Air Stone Bubbler 2 Inch Ball-Shape Bubble Release Tool Oxygen Diffuser for Air Pumps Fish Tanks Buckets Ponds and DWC Reservoirs, 4 Pack

Key features

• Small Air Stone Ball: Each ball measures 2" in diameter and weighs 3.6 oz. Tiny but well-constructed for continual bubbling. Ideal for small fish tanks, DWC systems or small ponds.
• Medium Bubbles: The air stone balls produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquariums and enliven the aquatic lives.
• Model: ASR-050B; Jetting volume: 5 L/min; Recommended air pump power: > 4 W; Standard ID airline tubing: 3/16" or 3/8". Efficient bubblers for constant air diffusion.
• Reliable Material: Made of mineral material and built solidly, it causes no effect to the health of your aquatics. Help keep your fish or roots 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.