Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request H1-AXAAC HiSorb probe, inert, standard, pk/6 Price on request H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request