The Zurn Wilkins 720A 1" 720A Pressure Vacuum Breaker Assembly is a valve assembly made of brass and bronze materials. It features a threaded inlet connection and a 1-inch outlet diameter, designed to meet ASSE 1020 and CSA B64.1.2 specifications. This pressure vacuum breaker (PVB) is manufactured in the United States and weighs 4.42 pounds, making it a reliable and high-quality product for industrial plumbing applications.