Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request