Sears Pressure Cooker Sealing Ring opn904 $12.49 Pressure Regulator Kit $16.99 9915 Over Pressure Plug $3.99 Presto 9911 Automatic Air Vent $3.99 85374 Steam Gauge with Adapter $24.49 8 in. dia. Canning Rack $8.95 Presto 49831 Pressure Cooker Instruction/Recipe Book $8.49