5 Pcs Aquarium Fish Tank Pump Air Bubble Disk Stone Hydroponic Oxygen Supplies,Default NO5245

Features:

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.

Material: Mineral Stone + Plastic

Stone Dia: 4.00cm

Stone height: 1.50cm

Connector Size: 0.40 x 0.28mm/ 0.16\" x 0.11\"(Outer Dia*Inner Dia)

Note:

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.

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