It really is, you just take the foil off, swab the rubber and pop it on. The syringe just screws on the top.
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looks like a great product
anyone know were to buy some of these in small quantity?
Is it rubber at the top or a valve to seal the vial?
Amazon has them I have one and after a vial is done I run alcohol through it
That's cool. Is it some kind of membrane at the top that seals off the vial but still lets you draw oil through it?
bump for "what seals the vial stopper" question...
I could see it working like a check valve. Still whatever is on the non sterile side would need cleaned out between uses?