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 SERLFP-5002 Spare charger, ACTI-VOC Price on request U-COV03 O-Ring, Size 003, pk 10 Price on request C-POD-C010 Spare Cover, for POD sampler, pk 10 Price on request