DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: HEDNDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request 632443611500 Vzorkovnice na plyny se dvěma olivkami (na hadice Price on request