New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: HEDNDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request