Specializing in used and new surplus vacuum equipment and components.

This is a NEW Kurt J. Lesker ISO-320 centering ring / o-ring assembly with stainless steel inner ring, aluminum outer ring, and Viton o-ring. Our price: $200 each - we have 16 of these available. As received by us, this seal assembly was sealed to the cardboard backing as seen in the picture. The packaging shows some cosmetic wear from handling, but the seal assembly has never been removed from the sealed packaging; it is new. ISO-320 seal assembly Kurt J. Lesker part number QF320-SAVR stainless steel centering ring aluminum outer ring Viton o-ring Click on any picture below to view a larger, higher-resolution version.