NOS The Presto 09905 Pressure-Tight Seal Canner Sealing Ring with Overpressure Plug Vent is a high-quality pressure cooker sealing ring designed for use in irrigation systems. Made of durable rubber material, this sealing ring ensures a secure fit and prevents leaks in your pressure cooker. With a height of 6.55 inches and a weight of 0.3 pounds, this sealing ring is easy to install and provides a reliable sealing solution for your irrigation system. The overpressure plug vent feature also ensures that excess pressure can be safely released, making it a practical and essential component for maintaining the efficiency of your irrigation system. 31126 DADS