Low Cost Venturi Book Provides auxiliary air when your

Provides auxiliary air when your main air source fails

One controller is required for each feeder on the circuit

But these windmills do require slightly higher wind speeds to start as they do not have a recovery stroke

Application can be done with ease from the shoreline

biological

Low Cost Venturi Book Provides auxiliary air when yourOur venturi fittings were engineered to entrain the greatest amount of air with the least resistance to water pressure. When pumping water, these may be used to draw in liquids or gases, including low strength ozone. Made of PVC with standard slip connections. Venturi 4734 is fiber reinforced plastic and has male slip ends. Made in USA.