Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request 632443611100 Vzorkovnice na plyny se dvěma olivkami (na hadice Price on request HEDTDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request