Pressure cooker sealing ring with automatic air vent. Fits Mfg. Nos. 40, 106, 206, 406, A601, A603A, A617, A603AD, A614A, A603AT, A608, A618, A607, A621A, A609A, A610A, A620A, A611A, A619, A612, A615, A622, A613, A616, A623, KEO3A, PB02A, PB09A, KEO3AT, PB06A, PB10A, PB08A, PB11A, PCC6, PCC6A, PCC6AD, PCC6D, PCC6H, PCC6HD, PCE6, PCE6A, and PCE6H 6 quart cast aluminum models.
