Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request