Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended H2-AXABC HiSorb probe, PDMS/CWR, inert, short version, pk 6 Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request