20mm PTFE Liner Back Catalog number: 38-136 Manufacturer: J.G.Finneran Associates Availability: 4 weeks Price (VAT incl.) 20,39 € 16,85 € - + Recommended 610050-22 20mm x 0.100" PTFE/Silicone Septa for 22mm Closure 65,24 € 606HTX-11 11mm Diameter HT-X High Performance Blue Silicone 37,50 € 70278 N 20 septa Silicone white/PTFE, 3mm, pk/100 30,23 €