Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request