Improve the quality of your special effects lighting by creating a fog effect with your fog machine and the American DJ Premium Fog Fluid. This fog machine fluid produces thick, heavy fog, great for special effects lighting at parties, clubs, theaters, Halloween events, concerts, and more. This is a pack of 4. Put this fog juice in your fog maker and enjoy foggy, cloudy, or misty visual effects. This 1-liter jug of fog fluid works with most fog machines. Before use, check your machine's user manual to ensure compatibility. This fog juice is a water-based solution that's safe for use indoors and outdoors. You can use this fog fluid right out of the bottle. No need to dilute or mix. This safe water based solution will make your light shows all the more exciting by creating a dynamic environment and obfuscating effect. Fog Fluid allows fog machines to improve the visibility of light, in particular that of lasers, thoroughly improving the atmosphere at your event. Get the dance floor foggy with the quality formula of American DJ Premium Fog Fluid.