Welcome you use to this Air Stone, they produce tiny bubbles to replace oxygen and reduce carbon dioxide levels, are safe for fish life, add enough oxygen to your fish and also make your aquarium more beautiful. This air stone is perfect to have in your aquarium.
Material: Mineral+Plastic
Shape: Round
Weight: About 80g for a Air Stone.
Specifications: This aquarium bubble stone is available in 2 sizes, 0.86inch, 0.98inch,you are free to choose between these two sizes according to your situation.
Package Composition: 5pcs/pack Air Stones.
Features: Strong and durable material, can be washed repeatedly for long term use, dissolves oxygen several times more effectively than normal soaking stones.
Instructions for use:
1, Use the matching hose to connect the bubble stone, the other end of the air hose is connected to the oxygen pump.
2, before use, please soak the product in water for 15 minutes.
3, Long-term use, such as dirt clogging, bubble reduction, can be taken out to clean repeated use.