Optimus dual tip for better control and superior coverage Control knob for optimal results when spraying different materials 1 quart container for mobility Extra atomizer valve Tungsten carbide piston, cylinder and spray tip for maximum life Power painters are designed for the do-it-yourselfer painting difficult to paint objects such as lattice or shutters as well as large surfaces including the exterior of a home. The Power Painter 5.4 GPH features Wagner's Optimus Dual Tip for better control and even coverage. The Power Painter includes a one quart paint cup and is ideal for spraying stains, sealers, oil paints, and latex paint.