Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request HEDNDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request