Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request C-TAD-01 Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request