1、SUFFICIENT FILTRATION: Manual drain, multiple filtration, sufficient separation, you can use with confidence 2、CLEAR PRESSURE GAUGE: Copper core pressure gauge possess accurate scale, clear value, sturdy and durable shell 3、EASY TO CONTROL: Come with level switch, support oil quantity control, air source control, useful and practical 4、EASY DRAIN OUTLET: Come with copper filter cone, convenient drain outlet, bring quick installation and convenient use 5、POLYMER TRANSPARENT COVER: The transparent cover is made of polymer material, possess high strength, heat resistance and not easy to age, good sealing, impermeability, no air leakage Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.