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 U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request