Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 5001-20ST 20mm Gray Chlorobutyl Snap On Stopper, Siliconized 7 394,00 Kč 607550-10 10mm x 0.075" Red PTFE/Silicone Septa 576,00 Kč 604070-09 9mm x 0.040" Red PTFE/Silicone w/Slit Septa 706,30 Kč on sale