Minimize the risk of contamination with quick, convenient Thermo Scientific™ National 20mm Crimp Seals with Septa
20mm Crimp seals with prefitted septa for headspace vials 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 Ordering Information: Septa and crimp seals also sold separately