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Air Stone for fish tank

Features:

Ozone aerated stone, bubble stone, using super hard gold steel sand, after high temperature sintering, good gas diffusion, good filterability, ozone resistance, corrosion.

Increase oxygen levels, lower CO2 and raise PH, creates water currents

It is an important instrument to successfully keep aquatic fish for respiration process.

Durable, can be reused and washed repeatedly.

Creates bubbles in fish tank while attached to an air pump (air pump and air tube is not included).

Specifications:

Color: As picture

Material: hard gold steel sand

Item Size: Approx. Dia. 5cm/10cm/15cm

Package include: Only 1*air bubble stone (no tubes)

Suitable for inner diameter 4mm soft tube