Thermo Scientific National Glass Screw Thread Sample Vials with Open Top Caps and Septa include shrink-wrapped vials and separately packaged caps and septa.

Unassembled convenience kits made of 51A amber glass eliminate leaching of ions and provide consistent pH for duration of sample storage life. With polypropylene open top screw caps and PTFE/silicone septa. Convenient packaging for storerooms or laboratory cabinets.