... . SS, Ceramic, Ruby Orifiice, Brass Body 1.Fine & Washable Misting Nozzle: Fog Cooling System,Humidifying,Misting, Mist Maker,Dust Control2.Accessory ... available*Minimum operating pressure 100 psi (7 bar)6.Mist nozzle's spray Characteristics:Mist at low pressure; fog nozzles work ...