Reel EFX Non-Oil Haze Fluid, also known as Diffusion Fluid or Oil-less Haze Fluid, is a specially formulated, non-glycol based fluid designed for use in compatible haze machines, most notably the Reel EFX DF-50 Diffusion Hazer. It is a water-based alternative to the original oil-based formula, offering a distinct set of characteristics for creating atmospheric effects in various productions and events.