Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request