Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request