Use our activated charcoal in-line trap to remove gaseous hydrocarbons (C5 and heavier) from nitrogen, hydrogen and inert carrier gas supplies. Recommended for use with purge and trap apparatuses, high-sensitivity FID operations and with GC carrier gases for trace analyses. Frits in each end prevent particulates from entering the gas stream. Trap is shipped lled with helium. Maximum pressure is 1000 psi (69 bar). Dimensions are 5 x 37 cm including ttings. Weight is 1.0 kg.