Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended TDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request