Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request C-TO17KIT TO-17 Starter Kit Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request