New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: HEDNDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T6SUL-2S Sulphur/labile cold trap, Price on request U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request