Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0006 Routine maintenance kit for M-CTE120I Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request