Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request