Easy and quick to use. Used with either hot or cold water pressure washers with pressures from 3,000 to 4,000 PSI and temperatures up to 180° F. Walk behind, Durable, Removes tree sap, dirt and other non permanent materials that you want to remove from hard surfaces. The rotary cleaner blasts away dirt, grease and grime in all sorts of though cleaning areas... pools, decks, sidewalks, warehouse floors, restaurants, retail shipping centers, garages, etc.