New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: HEDNDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request 632443606250 Vzorkovnice na plyny s jednocest. + trojcest. koho Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request