Pneumatic Plus SAL Series Air Lubricators are designed to keep your airline and air tools properly lubricated all times to maintain peak performance. SAL Series Lubricators will deliver a constant ratio of oil to airflow. Adjustment knob will allow you to set proper oil drip rate. SAL Series Lubricators can be connected to SAR Series Regulators and/or SAF Series Particulate Filters to complete a full Filter Regulator Lubricator unit.