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 SERZ-1076 Spare filter assembly, ACTI-VOC Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request