FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-9GPC General purpose carbon cold trap, TT24-7 Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request