Fits for: 09985 pressure canner sealing ring fits presto pressure cooker models 0174510(16 qt), 0175107(18 qt), 0175510(16 t), 0178107( 23 qt), 0178209( 23 qt ), 0178410( 23 qt ). It is the perfect presto 16 qt pressure canner parts, presto 23 qt pressure canner parts, and presto 18 qt pressure canner parts, bringing convenience to your cooking Warm tip: The sealing ring of the pressure cooker may shrink, harden, deform, crack, wear or dent after being used for a long time. It should be replaced immediately. It is recommended to replace the sealing ring once every two to three years High quality: Our 09985 sealing ring is made of food-grade silica gel, which is heat-resistant, non-toxic and not easy to be deformed by heat, and has good quality, Please rest assured to use it Easy to install: Wash the gasket groove thoroughly before installing, soak the pressure cooker gasket in warm water for 5 minutes to increase flexibility, insert the gasket and press it firmly into the groove Note: Compatible with Presto pressure cooker models only. Please confirm whether the product size and model match your pressure cooker before purchasing Fits for: 09985 pressure canner sealing ring fits presto pressure cooker models 0174510(16 qt), 0175107(18 qt), 0175510(16 t), 0178107( 23 qt), 0178209( 23 qt ), 0178410( 23 qt ). It is the perfect presto 16 qt pressure canner parts, presto 23 qt pressure canner parts, and presto 18 qt pressure canner parts, bringing convenience to your cooking. Easy to install: Wash the gasket groove thoroughly before installing, soak the pressure cooker gasket in warm water for 5 minutes to increase flexibility, insert the gasket and press it firmly into the groove Note: Compatible with Presto pressure cooker models only. Please confirm whether the product size and model match your pressure cooker before purchasing