Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: TDLC-S Availability: In the manufacturer's stock Price on request - + Recommended OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request