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 C-KIT325T-2S 325 Tube Kit Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request HEDNDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request