Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request NDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request