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 C-HSPH HiSorb handle, for manual probe extraction Price on request M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request U-T3ATX-2S Air Toxics, C2 - C14 (TO-14), cold trap Price on request