New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: HEDNDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request