Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-KITDD-2S Direct desorp (VDA 278) starter kit Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request C-CL010 Penclips, pk10 Price on request