Devex bag with PC valve, 0,5L Back Catalog number: DEV21_0.5L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request