Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request C-EZVOCAK Easy-VOC accessory pack Price on request