uxcell Black Mineral Bubble Air Stone Diffuser for Aquarium Fish Tank Pond Pump
Features:
Sintered by high temperature.
Durable and washable.
Different from other air stones. Â
Direction:
1. Connect the air stone with air tube.
2. Soak in the water for 15 minutes before use.
3. It is durable and be used for a long time.
When it is clogged with dirt or creating bubbles with low quantity, please wash it for re-used.