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 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request