Fluode gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFLD32_2L Availability: In the manufacturer's stock Price on request - + Recommended 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request M-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request