Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 9400787 GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG) Price on request 5070-12 12mm PTFE/Silicone w/Slit Versa Vial ™ Plug 707,00 Kč 702057 N20 Septa Butyl light gray/PTFE, 3mm, th., pk/100 559,00 Kč