Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended C-TAGKT TubeTAG starter kit (for SS tubes) Price on request SERZ-1097 Spare tube assembly, ACTI-VOC Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request