SPECIFICATIONS

High-concerned chemical: None

Model Number: bubble air stone

Tube Size: 4mm

Type: fish tank air stone

Usage: increase the oxygen concentration in water

Voltage: None

Features:

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

It is an important instrument to successfully keep aquatic fish .

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: Grey

Material: hard gold steel sand

Item Size: 4cm diameter

Suitable for inner diameter 4mm soft tube

Note:
-rinse before use.
-For long-term use, if there is dirt blockage, and the bubbles is reduced, please take it out of the fish tank and wash it .
-The air stone can be used repeatedly.

-size slightly differs due to manual measurement.
-Due to the different display and different light, the picture maybe a little different to the actual color of the item. 

1pcs aquarium fish tank air stone