2.5″ Air Stone for Aquarium Fish Tank Air Bubble Diffuser for Biofloc Fish Farming 6pcs

Increase Oxygen Level In Your Aquarium Fish Tank.

Each air stone has 180 ultra-tiny 100 μm air holes which can create 500,000 bubbles in every minute. Connector helps it live a long life.

BEFORE USE: You have to soak it in water for about 6 hours before connecting to an Air pump more than 4 W to run it.

Very Useful For Biofloc and Fish Farming

Package Content: 6 x 2.5″ Air Stone