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-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV06 O-Ring, Size 006, pk/10 Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request