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-EZVOCAK Easy-VOC accessory pack Price on request T-TO15-KXR Focusing trap, Trace TO-15, for TT24-7 with Kori-xr Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request