Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request P-00020 VOC-Mole assembly, 380mm,pk10 Price on request