Complete Set for Presto Pressure Canners: Includes the 09985 sealing ring and overpressure plug, designed to fit Presto models 01745, 01751, 01755, 01781, 01782, and 01784. Helps ensure safe and efficient operation of your pressure canner. Compatibility Across Multiple Models: Sealing rings and overpressure plugs are direct replacements for Presto Pressure Cooker models 01745 (16 qt), 01751 (18 qt), 01755 (16 qt), 01781 (23 qt), 01782 (23 qt), and 01784 (23 qt). Ideal for maintaining appliance performance. Optimal Size and Quality: Sealing ring has an outer diameter of 11.80 inches and an inner diameter of 13.20 inches. Made from high-quality food-grade silicone for heat resistance, durability, and reliable sealing. Enhanced Durability and Safety: Each pack includes an overpressure plug to help regulate internal pressure. This safety feature supports safe operation and helps protect your pressure canner. Easy Maintenance: Sealing rings are dishwasher safe for convenient cleaning. Durable construction supports repeated use and helps extend the life of your Presto pressure canner while ensuring consistent sealing performance. Color: Black Material: Silicone Package Contents: 2 x Sealing Ring 2 x Overpressure Plug Note: Color may vary slightly due to lighting and screen settings. Measurements are subject to a tolerance of +/- 1–3 cm.