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CAP POLYETHYLENE IN SEP PK100

ITEM#: 66030-408 CS

MFR#: C4015-5A

Pre-Assembled Caps for Autosampler Vials, Thermo Scientific - C4015-5A, Open-Top Screw Cap

Screw Caps For 4 ml Screw Thread Vials, SepCaps with 0.010 polypropylene septa. Polypropylene screw caps are recommended instead of phenolic caps. Phenolic is a sulfer-based product that can flake and contaminate samples when syringe needle pushes through septum.