Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request RMK-0005 RoutMainten kit - TT24-7 Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request