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 M-TICAP Tube interface cap for removable lid,pk 6 Price on request T-9GPC General purpose carbon cold trap, TT24-7 Price on request T-6EMP Empty cold trap, TT24-7 Price on request