Solo 457-Rollabout 3-Gallon High Pressure Sprayer with Heavy Duty Wheels & Extra Long 72" Hose Includes the features of the 450 series sprayers plus Heavy-duty wheels designed to handle rough terrain and add stability when the tank is upright Extra long 72-Inch hose makes it convenient to park the sprayer and go about remote spraying tasks Oversized pump handle doubles as a pull handle Viton seals provide greater chemical resistance