Viper Evap+ contains slow-release enzymes in a synthetic detergent base to create the best-performing non-rinsing evaporator coil cleaner. This all-natural, non-flammable, non-toxic, non-irritating, pH neutral, biodegradable and food industry compliant (NSF certified) ready mix formula shifts embedded soils that resist conventional detergents and is a highly effective deodoriser.