New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Back Catalog number: NDV31_25L 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 P-00020 VOC-Mole assembly, 380mm,pk10 Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request