or
Concentrator, PES Membrane, 2ml, 10 kDa MWCO, 25/pk (Ships on ice)
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Concentrator, PES Membrane, 2ml, 100 kDa MWCO, 25/pk (Ships on ice)
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Concentrator, PES Membrane, 2ml, 3 kDa MWCO, 25/pk (Ships on ice)
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Concentrator, PES Membrane, 2ml, 30 kDa MWCO, 25/pk (Ships on ice)
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Concentrator, PES Membrane, 2ml, 5 kDa MWCO, 25/pk (Ships on ice)
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Concentrator, PES Membrane, 2ml, 50 kDa MWCO, 25/pk (Ships on ice)
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