Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended HEDDEV31_5L DEVEX gas sampling bag, stopcock straight valve, 5L Price on request C-EZVOCTG Easy-VOC TubeTAG Interface Price on request C-POD-KIT01 POD Starter Kit: Carbopack X Price on request