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

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

20mm Blue BiMetal Seal, 0.100" PTFE/Silicone

10ml Snap Cap Vial ND18, 50 x 22mm, clear, pk/100