Aquarium Air Stones 12Pcs Bubble Diffuser Cylinder 0.9 X 1.2'' Airstones for Hydroponics Fish Tank Pump Aerator

• Pack of 12 round air stone gradually diffuse air into the tank.
• Fine bubbles provide oxygen for fish to breathe, and lower CO2 level.
• The air stone fits for using in 11.8-23.6''/30-60cm fish tanks and diameter 0.15''/4mm soft tube.
• Durable and sturdy material, washable. Safe and non-toxic to your fish.
• Perfect for aquarium, fish tank, pond, hydroponics.

Feature:

Function: Increasing Oxygen.

It is an important instrument to keep fish respiration.

The air stone fits for using in 11.8-23.6''/30-60cm fish tanks and diameter 0.15''/4mm soft tube.

The air stone making bubbles in fish tank while attaching to an air pump(air pump is not included).

Package includes:

12 x Aquarium bubble stones