* Seals with pre-inserted septa are convenient and minimize contamination due to handling
* Use magnetic seals with CTC/Leap™Technologies, Gerstel® and other magnetic transport autosamplers
* PurePak™ PTFE/Silicone seals are packed in glass jars to maintain purity up to the point of use
* Molded polyethylene SepCap™ is suitable for short-term storage or where repeated access to the vial is required
