LLF5 BOX OF 4 x 5L Low Lying Fog Fluid for Cloud 9 / CumulusLLF is a water based formula that produces a thick cloud of low lying fog that hugs the ground. Specially crafted for use in Cumulus, LLF will help create continuous floor hugging clouds that leave no residue. LLF is non toxic, non flammable, and unscented. Product Features Water based formula specifically designed for use in the Cumulus and Cloud 9 machines Produces a thick cloud of low lying fog that hugs the ground Will not stain or leave residue