Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: TDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPH HiSorb handle, for manual probe extraction Price on request M-MCHSI Sample pans for M-CTE120I, inert,pk 6 Price on request C-TO17KIT TO-17 Starter Kit Price on request