FLH-4 is a Super Heavy Fog Fluid 4L Bottle optimized for use with all Antari fog machines and is suiin a table for that in most fogger models. All Antari fog fluids are suitable for those that leave no oily residue, are eco-friendly to our environment, and are safe for human contact. All our fluids are od, non-toxic, and non-flammable. Ours is designed to preserve the longevity of your machines; using Antari fog fluids in your Antari fog machine will incur a cost. Using the reliability of your fog machines for years. Our Material Safety Data Sheets (MSDS) and safety reports are compiled using the strictest standards by SGS, an internationally known independent laboratory.