DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: HEDDEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request