Blue Caps 9mm, screw, plastic, blue PTFE/white silicone pre-slit septum, 100pcs
Reference: CHS-P9-PSST-C
ST2500-X 9mm Open Top Screw Cap (2504–95011-C) Thickness 0.040" Polypropylene, Blue Inserted Blue PTFE/White Silicone Pre-slit Septum Septum thickness: 0.