Magnetic Screw Seals ND18, Silicone blue/PTFE white, 1,3mm, pk/100

20ml Thread Vial ND18, 75.5 x 22.5mm, clear, rounded bottom, pk/100

20ml lyophilisation crimp vial, clear, 29 x 56mm, pk/91

20mm Silver Seal, 0.125" PTFE/Silicone, pk/100