Seal G13 for 4mL vials PTFE/silicone, pk/100 Back Catalog number: V0004-D Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended V0222100 Septa,Red PTFE/White Silicone with slit,8mm ,for 12,52 € 5001L3-20 20mm Gray Chlorobutyl Lyophilization Stopper - 3 P 312,60 € V0115100 Blue open top Caps with pre-assembled 9mm slit Se 22,96 €