DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: HEDDEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended HEDNDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request 632443606250 Vzorkovnice na plyny s jednocest. + trojcest. koho Price on request