Pawfly Aquarium 1 Inch Air Stone Cylinder Grey Bubble Diffuser Release Tool for Nano Air Pumps Small Buckets and Fish Tanks, 10 Pack

Tiny but Enduring: Each cylinder measures 0.6″ D x 1″ H and weighs 0.3 oz. Tiny 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-025; Jetting volume: 0.8 L/min; Standard ID airline tubing: 3/16″. Driven by even nano air pumps of 2 W – 4 W. Efficient bubblers for long-time service.
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.