4-350AST (Wilkins) | 4 Inch | 350AST Series Lead Free Double Check Assembly With NRS Gate Valves

This 4 Inch Zurn Wilkins 350AST Lead Free Double Check Backflow Preventer With Stainless Steel Body Provides Low Hazard Protection With a Corrosion Resistant And Light Weight Design. It is Designed For Installation on Potable Water Lines to Protect Against Both Backsiphonage And Backpressure of Polluted Water Into The Potable Water Supply. | Wilkins | 4-350AST