) Portable electric fogger can be used with water or petroleum-based products. Three precision nozzles deliver particle sizes from 5 to 50 microns. Adjustable metering valve can be set to deliver up to 5 gallons per hour output. Has one gallon see-through tank with drain plug for easy cleaning. New foam air filter. Operates on 110 volt AC, 6.85 amp, 20,000 rpm. Run vinegar through this unit weekly to clean out residues left from hard water.