Stable design, made of rugged molded polyethylene. This fogger is great for duct sealing, deodorizing and disinfecting. Suitable for applying water or solvent based formulations. The ULV feature means that extremely small particle sizes can be produced. Highly effective disinfection and odor control. Use coarse setting for duct sealing. Features include adjustable flow control valve, corrosion proof 11/2 gallon supply tank, specially designed 48″ hose, variable output from 0 to 18 ounces per minute and fingertip output control.