Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request U-T10CW-2S Chemical Warfare agents cold trap Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request