All American Canner Pressure Cooker 21.5qt

All American pressure Canner/Cookers feature an exclusive, precision machined "metal-to-metal" sealing system. Positive action clamping locks align the cover to the base, forming a steam-tight seal. At the same time, this metal-to-metal seal automatically permits venting under unusual pressure conditions providing an extra margin of safety over conventional rubber or composition gasketed cookers.

Product Features:

• Exclusive metal-to-metal seal
• no gaskets to crack
• burn
• replace or clean;5
• 10 and 15 pound pressure regulator weight;Positive action clamping wing nuts permit easy opening and closing;Double thickness edges for additional protection on these points of heaviest wear;Automatic overpressure release