Dcenta 4cm Air Bubble Stone Aerator Pump Hydroponic Oxygen Plate for Aquarium Fish Tank Bubble stone aerator pump to increase the oxygen content of water Durable and easy to clean Create dazzling water scenes. This air stone is suitable for using in 30-60cm fish tanks. Suitable for inner diameter 4mm soft tube. Before use， please immerse it in the water for 15 minutes. It it doesn't have bubbles in one part， please change the pump of higher power. It will not work as normal if you attach to the submersible pump.

• 100% brand new and high quality.
• Increase oxygen levels， lower CO2 and raise PH.
• It is an important instrument to successfully keep aquatic fish for respiration process.
• Durable， washable and sintered by high temperature.
• Creates bubbles in fish tank while attached to an air pump(air pump is not included).

• 100% brand new and .
• Increase oxygen levels， lower CO2 and raise PH.
• It is an important instrument to successfully keep aquatic fish for respiration process.
• Durable， washable and sintered by high temperature.
• Creates bubbles in fish tank while attached to an air pump(air pump is not included).
• Creates water currents and dazzling underwater scenes.

• Color: Gray
• Material: Mineral Stone +
• Item Size: Approx. 40mm * 15mm (D * H)
• Item Weight: Approx. 30g / 1oz

• This air stone is suitable for using in 30-60cm fish tanks.
• Suitable for inner diameter 4mm soft tube.
• Before use， please immerse it in the water for 15 minutes.
• It it doesn't have bubbles in one part， please change the pump of higher power.
• It will not work as normal if you attach to the submersible pump.

• 1 * Air Stone