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 M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request HEDPOL32_2L Polyester gas sampling bag with PTFE dual-valve, 2L Price on request