Magnetic Screw Seals ND18, Silicone blue/PTFE white, 1,3mm, pk/100 Back Catalog number: 18031309 Availability: In the manufacturer's stock Price on request - + Recommended 36020A-2238 6mL Clear Headspace Vial, 22x38mm (for CTC PAL), 1 039,00 Kč 702834 N20 bimetal cap,blue/silver, blue SIL/PTFE, pk/100 1 214,00 Kč 32020A-2375A 20mL Amber Headspace Vial, 23x75mm (for CTC PAL, P 1 411,00 Kč