The OPW 523V-1100 2″ Vent Valve is a high-quality plumbing accessory designed for industrial use. Produced by the reputable brand OPW, this vent valve is a essential component for ensuring proper ventilation in plumbing systems. With a 2″ size and included in a pack of 1, this valve is ideal for various industrial plumbing applications where ventilation is crucial for optimal performance.