Pressure Canner Sealing Ring/Safety Plug Pack The sealing ring fits around the inside rim of the cover and forms a pressure-tight seal between the cover and the body of the pressure canner during canning and cooking. Compatible Products 01/C13 - 13-Quart Pressure Canner 01/C17 - 17-Quart Pressure Canner 01/C22 - 22-Quart Pressure Canner 01/CAA12H - 12-Quart Pressure Canner 01/CAA20H - 20-Quart Pressure Canner 01/CG22 - 22-Quart Pressure Canner 0171001 - 13-Quart Aluminum Pressure Canner 0171002 - 15-Quart Aluminum Pressure Canner 0171003 - 15-Quart Aluminum Pressure Canner 0174001 - 17-Quart Pressure Canner 0175001 - 17-Quart Pressure Canner 0175002 - 17-Quart Pressure Canner 0175003 - 17-Quart Pressure Canner 0175004 - 17-Quart Pressure Canner 0175005 - 17-Quart Pressure Canner 0175006 - 17-Quart Pressure Canner 0177001 - 22-Quart Pressure Canner 0178001 - 22-Quart Pressure Canner 0178002 - 22-Quart Pressure Canner 0178003 - 22-Quart Pressure Canner 0178004 - 22-Quart Pressure Canner 0178005 - 22-Quart Pressure Canner 0178006 - 22-Quart Pressure Canner 02/CAA12H - 12-Quart Pressure Canner 02/CAA16H - 16-Quart Pressure Canner 02/CAA20H - 20-Quart Pressure Canner