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 C-TAGKT TubeTAG starter kit (for SS tubes) Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request