Flat bottom with conical insert inside. Recommended application (s) Micro-sampling in GC and HPLC. Autosampler compatibility. Aijiren, CTC, Dionex, Knauer, PerkinElmer (HPLC), Shimadzu, Thermo Scientific, Varian, VWR, Waters. Storage temperature. RT. Scope of delivery. 100x N 9 glass screw neck vials with integrated glass insert.