Specializing in used and new surplus vacuum equipment and components.

This is a NEW Kurt J. Lesker ISO-100 centering ring / o-ring assembly with aluminum centering ring, aluminum outer ring, and Viton o-ring. Our price: $30 As received by us, this seal assembly came in the opened Lesker-branded packaging shown in the one picture. Close inspection reveals no clues that it has ever been installed on a system; it appears to be new. ISO-100 seal assembly Kurt J. Lesker part number QF100-AAVR aluminum centering ring aluminum outer ring Viton o-ring Click on picture below to view a larger, higher-resolution version (in new window or tab, depending on your browser).