Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended H3-AXABC HiSorb probe, PDMS/DVB, inert, short version, pk 6 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request