The green-formula FLG-20 Long-Lasting Fog Fluid from Antari, in 5.3 gallons, is designed for all water-based Antari fog machines and most other fog machines when a long-lasting fog is desired. This fluid is an odorless, non-irritating, non-toxic, and non-flammable water-based composition that leaves no oily residue. All the ingredients are FDA approved.