DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: HEDDEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request