18-MSC-ST201, 18MM MAGNETIC SCREW CLOSURE W/PTFE/BLUE SILICONE, 125/PK, Priced per pack, 125 per pack
National Scientific – Thermo Fisher Part Number 18-MSC-ST201, 18MM MAGNETIC SCREW CLOSURE W/PTFE/BLUE SILICONE, 125/PK, Priced per pack, 125 per pack