Kuhn Rikon 20 cm Pressure Cooker Replacement Gasket (Model 1657) - Perfect for Safe and Efficient Cooking at Home

This OEM seal is for use of Duromatic Kuhn Rikon Pressure Cookers?Made in Switzerland

22 cm Diameter Gasket (The inner diameter at the top inner edge of your pot)

Duromatic 4L
Brinox 2L
Durotherm 2L
Multitherm 2L
Durotherm 2L

No. 1657, 1540, or 3026 correspond to the 20 cm sealing ring item 1657

How to find out the correct size of a rubber seal? Measure the inner diameter at the top inner edge of your Duromatic pot. The measured size is the size of the rubber seal needed.