Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request T-9GPC General purpose carbon cold trap, TT24-7 Price on request NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request