DescriptionFeaturesReviews Description Because of the lower permeability to oxygen compared to graphite, they are ideal for GC-MS applications. They can be used up to 325 °C and should be re-tightened after a few temperature cycles. Features Content 10 pcs Material 15% Graphite/ 85% Vespel For column ID holeless MS compatibility Yes Reviews Be the first to review this item There are no reviews yet