New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: NDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-TSTIN Inserts, PTFE,pk 6 Price on request U-COV06 O-Ring, Size 006, pk/10 Price on request DEV21_0.5L Devex bag with PC valve, 0,5L Price on request