4ml Screw Neck hplc Vials ND13 with matched 13-425 PP Screw caps, PTFE/silicone septa, widely used in HPLC and GC analysis.

Features

Materials:borosilicate glass

Volume:4ml, 15 x 45 mm

Vial Color: Clear & Amber

Septa material:PTFE & silicone septa

Cap:blackcap with 13-425 thread. Cap with closed top or with centre hole.

Vials with or without graduated writing area.

Vials also available with integrated micro-insert.