Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request U-COV450 O-Rings, low-emission,pk100 Price on request