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 U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request