Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request