This is NOT a universal part, ONLY compatible with model and part numbers listed in description and does NOT fit other models of pressure cookers Compatible with Presto 6 quart pressure cooker models 01/PCC6, 01/PCC6A, 01/PCC6AD, 01/PCC6D, 01/PCC6H, 01/PCC6HD, 01/PCE6, 01/PCE6A, 01/PCE6H, 02/PCE6H, 106, 206, 40 (6 qt), 406, A601, A603A, A603AD, A603AT, A607A, A608A, A609A, A610A, A611A, A612A Compatible with Presto 6 quart pressure cooker models A613A, A614A, A615A, A616A, A617A, A618A, A619A, A620A, A621A, A622A, A623A, KE03A, KE03AT, PB02A, PB06A, PB08A, PB09A, PB10A, PB11A Compatible with Presto gasket seal ring part numbers 9901 and 2295. Quality part by Univen Univen pressure cooker gasket seal and automatic air vent. Compatible only with Presto 6 quart pressure cooker models 01/PCC6, 01/PCC6A, 01/PCC6AD, 01/PCC6D, 01/PCC6H, 01/PCC6HD, 01/PCE6, 01/PCE6A, 01/PCE6H, 02/PCE6H, 106, 206, 40 (6 qt), 406, A601, A603A, A603AD, A603AT, A607A, A608A, A609A, A610A, A611A, A612A, A613A, A614A, A615A, A616A, A617A, A618A, A619A, A620A, A621A, A622A, A623A, KE03A, KE03AT, PB02A, PB06A, PB08A, PB09A, PB10A and PB11A. Compatible with Presto gasket seal ring part numbers 9901 and 2295. Includes PR-9911 air vent plug. This is NOT a universal part, ONLY compatible with model and part numbers listed in description. Does NOT fit other models of pressure cookers. Quality part by Univen.