Antari Fog liquids are optimized for use with all Antari fog machines and are suitable for most models of foggers. They are all water-based composition that leaves no oily residue. All of the liquid are odorless, non-irritating, non-toxic, and non-flammable. They preserve the longevity of your machines. Our Material Safety Data Sheets (MSDS) and safety reports from SGS are complied by an independent laboratory for strictest tests. The Antari fog liquid are eco-friendly to our enviornment and to human contact. Antari Fog liquid comes in 2 varieties FLR Light Fog Liquid (red color) produces fog which disappears in the air faster. FLG Heavy Fog Liquid (green color) produces fog which has a longer lasting time.