Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended H2-AXABC HiSorb probe, PDMS/CWR, inert, short version, pk 6 Price on request C-TDKIT-01 Essential TD Starter Kit Price on request HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request