20mm x 0.010" White PTFE Septa Back Catalog number: 601010-20 Manufacturer: J.G.Finneran Associates Availability: 4 weeks Price (VAT incl.) 13,60 € 11,24 € - + Recommended 5001L2-13 13mm Gray Chlorobutyl Lyophilization Stopper - 2 P 119,67 € V0314100 11mm Silver Aluminum Seal with pre-assembled 11mm 20,35 € 612550-20ULB .125 Thick Natural PTFE/Blue Ultra Low Bleed Sili 61,29 €