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 HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request