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 H1-AXABC HiSorb probe, inert, short, pk/6 Price on request HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request