New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: HEDNDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request