New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHSS250I Sample pans for M-CTE250I, inert,pk 4 Price on request U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request