Silicone rubber sealings, Septa for GL 14, pk/100 Back Catalog number: OST-LENZ01341214 Availability: In the manufacturer's stock Price on request - + Recommended POL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request FEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request