This special fog fluid is designed specifically to be used for a low-lying fog effect. Compatible with all Look Solutions Low Fog machines, and can also be used in Standard Power and High Power fog machines for a thick, white cloud of smoke that evaporates quickly. This 5-liter bottle fits inside the fluid compartment of the Look Solutions Cryo-Fog machine. Refer to Fluid Consumption Chart under Technical Documents tab to determine how long 5 liters will last in your particular machine.