Parking Lot Paint Line Striper Model 20m Trueline Striper with Air Valve This light-weight, compact striping machine is built tough. This Trueline Striper is perfect for those small jobs. With a self-contained hand pump, just a few strokes builds sufficient pressure to stripe 80 to 100 ft. before needing a few more pumps. Then stripe another 80 to 100 ft. Comes with Air Valve and Safety Relief Valve if you have a portable Air Compressor available for pressurizing the paint tank. Stripes the same professional line as all our other equipment. Rugged, light-weight and easy to operate Enclosed spray box ensures the sharpest possible line even on windy days