PTFE/red silicone HPLC sample vials 32mm. red PTFE/white silicone HPLC 4ml glass vials kits. red PTFE/white silicone HPLC 4ml glass vials kits VIALS & CAPS – Th. Geyer – Labor (2) Vial kit, amber glass, with label. Cap: White silicone/red PTFE, UltraClean. 1.5 ml. 32 x 11.6 mm. 100. 7 658 887. VOA EPA Vials Supplier,Manufacturer and Factory