Wilkerson® by Dixon® Economist® L03-01AMB Miniature Lubricator Without Sight Gauge, 1/8 in Port, 20 scfm Flow Rate, 250 psi Pressure, Zinc Bowl. Wilkerson® by Dixon® Economist® L03-01AMB Miniature Lubricator Without Sight Gauge, 1/8 in Port, 20 scfm, 250 psi Pressure