O-Ring for new style Rotor Base used for ABI 3900, Northwest, Biolytic 3900 and Dr. Oligo 48 Oligo Synthesizer instruments, Pack of 4.
If your instrument has not been upgraded to have a rotor lower half that has O-ring seals then you will nee to use the original flat gasket not these O-rings.
This O-ring is made from Chemraz (FFKM) material. This material is compatible with all reagents used in synthesis however we also offer this O-ring is EP material and in silicon material which are much lower priced.
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