Additional Information

• High quality, low back pressure airstones designed to reduce wear on air pump diaphragms. Scientifically formulated to last longer and produce a constant airflow.


• Extra large nozzle flange does not leak air.


• Oversized pressure chamber resists clogging.


• Uniform wall thickness on all sides for a more uniform flow of bubbles.


• Made from pressure-bonded granules of natural sand.

Visit Manufacturer's Web Site