Outdoor Water Solutions ARS0026 7-Inch Airstone Diffuser
- This is a 7" diffuser airstone with a 1/2" male npt fitting that fits our airstone foot valve which is also called an inline backflow valve.
- Note: shallow or larger ponds may require multiple airstone diffuser kits..
- Note: this air stone require an airstone foot valve to prevent water from backing up into the airline..