Fluode gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDFLD32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-4ATX Air toxics cold trap, TT24-7 Price on request HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request