Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request HEDNDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request