4 x 5 Litres of our high grade, super dense smoke and fog fluid, manufactured from the finest materials to create a dense fog that will linger for longer. This smoke fluid is an excellent choice for all smoke and fog machines taking a water-based liquid, and is ideal for stage use for creating theatrical masks and reveals. It is also well suited to concerts and theme parks, where large areas need to be covered. Denser than standard fog fluid, this liquid has an extended hang time.