Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended HEDFLD32_5L Fluode gas sampling bag with PTFE dual-valve, 5L Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request