Nature PTFE/Nature silicone septa 22 x 3mm, pk/100 Back Catalog number: S228 Availability: In the manufacturer's stock Price on request - + Recommended 5001L3-20 20mm Gray Chlorobutyl Lyophilization Stopper - 3 P 7 929,00 Kč 5003-12G 12mm Polyethylene Versa Vial™ Plug Green 222,00 Kč 606550BTO-9 9mm Diameter, ThermoRed High Temp Low Bleed GC Sep 720,00 Kč