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 U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request HEDPOL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request