Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: HEDMBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended HEDFLD32_5L Fluode gas sampling bag with PTFE dual-valve, 5L Price on request M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request C-KIT325T-2S 325 Tube Kit Price on request