Originally Posted by
BBforDAgirls
I hope someone could clear this up for me. When using a .22 syringe filter and filtering straight into a sealed sterile vial (just making small batch).
Does the whatman filter screw on (attach) to the syringe tip then the needle slides on to the whatman tip? I don't see how the needle can be secured on the filter without leaking or possibly become loose since the filter has only one side that screws on.
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