Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request