Outdoor Water Solutions ARS0026 7-Inch Airstone Diffuser

Amazon.com Price: $49.99 (as of 02/01/2024 23:50 PST- Details)

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.