**Package Includes:** (2) Chauvet HDF High Density Fog Juice Gallons The **Chauvet HDF** is an exceptional value! This High Density Fog Juice is specifically formulated for use in all water based haze and fog machines. The unit produces a thicker and denser smoke than the original HJU, and won't leave a stain or residue. Not only that, but it's non toxic, non flammable, and unscented! CHAUVET fluids are designed and tested to provide exceptional output from CHAUVET fog, snow, and bubble machines.