Rotor Assembly, Complete, This is the original ABI & Northwest design 3900 synthesis rotor assembly complete. However it does have the new designed bottom with O-ring seals.
This assembly comes with bank O-ring seals only. If you want to use the original gasket seal you must order the gasket separately.
One of the pictures shows columns in the rotor. Columns are not included. The columns are shown for example only.
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