The DNG-250 Low Fog is the complete ground fog effect solution. It’s a fully self-contained unit that has a built-in fog machine and cooling system to create low lying fog effect. No more CO2 Dewars tank! Does need low lying fog fluid to create the effect. 120V. 6 minute (approx.) warmup time. 2.64 gal tank capsity; 100 ml/min consumption. Equipment comes complete in a road case.