Nalgene 4300 Polypropylene Separatory Funnels with Closure and TFE Stopcock have excellent chemical resistance and require no lubrication. Funnel is chemically compatible with a wide range of lab reagents. TFE stopcocks need no lubrication, allowing for easier handling and operation. Separation lines between immiscible liquids are easily observed. Phase interface is observable down to the stopcock. Autoclavable and Leakproof.
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