Pawfly Aquarium Air Stone Bubbler 2 Inch, Oxygen Diffuser Airstone for Air Pump Fish Tank Bucket Pond and DWC Reservoir, 4 Pack

Small Air Stone Ball: Each airstone 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: The fish tank air stone are 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 aquarium air 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.