Pre-slit White PTFE/Red Silicone Septa, 11mm Crimp-top Aluminum Cap, 5.5mm Centre Hole Back Catalog number: PL30A-016 Availability: In the manufacturer's stock Price on request - + Recommended 70288.3 N 11 Aluminium crimp cap, blue, center hole Silicone white/PTFE red Hardness: 45° shore A Thickness: 1.3mm pack of 100 490,00 Kč 5190-4074 Blue crmp cap,PTFE/si/PTFE, 11mm, 1000PK 7 121,52 Kč 702025 N 8 Aluminium crimp cap, silver, center hole Red Rubber/FEP colourless Hardness: 45° shore A Thickness: 1.0mm pack of 100 226,00 Kč