Oxygen levels in the aquarium water need to be maintained at a level which is high enough for the fish to absorb through their gills Premium quality cylinder air stone providing oxygen for fish to breathe

Tiny but Enduring: Each cylinder measures 06 D x 1 H and weighs 027 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-025B Jetting volume: 08 Lmin Standard ID airline tubing: 316 Recommended pump power: 2 W - 4 W Efficient bubblers for long-time service Reliable Material: Made of mineral material and built solidly 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