Screw cap ND18, silver, closed, Sil/PTFE, pk/100

20mm Red BiMetal Seal, 0.100" PTFE/Silicone

PR N20-H, si, Mld. But/PTFE gr, 50°, 3.0

20mL Clear Headspace Vial, 23x75mm (for CTC PAL, P