New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: NDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended DEV31_5L DEVEX gas sampling bag, stopcock straight valve, 5L Price on request FLD32_2L Fluode gas sampling bag with PTFE dual-valve, 2L Price on request TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request