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 U-T5O3F-2S Ozone precursors/Freon cold trap Price on request T-8MAT Materials emissions cold trap, TT24-7 Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request