Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request SERZ-1097 Spare tube assembly, ACTI-VOC Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request