HURRICANE Fog Fluid is a water-based formulation that creates a moderately dense and during fog. it is odorless. non-irritating. non-toxic, non-flammable, and leaves no oily residueHURRICANE Fog Fluid passed through the Ro-Ao5 digital display micro-water purifier for better quality and longer shelf-life. It can be stored for up to 3 years in a closed container without loss in properties.Compatible for 900w/1500w Fog Machine or 900w Atomizer Machine.