Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request