Pro-Edge Industrial Pneumatics and Controls Replacement Service & Maintenance Kit for Champion / Gardner Denver Z11893. To Be Used with Champion / Gardner Denver R30 & RV30 Model Air Compressor Pumps. This Kit Includes 2 Air Intake Filter Made with Industrial Grade Pleated Polyester That Helps Prevent Dust, Smoke, Water, Oil and other Airbourne Contaminants From Entering The Air Compressor. The Filter Has A Heavy Gauge Galvanized Expanded Metal Frame to Ensure Structural Integrity. This Kit also Includes 4 Quarts Of American Made Industrial Grade Partial Synthetic Oil Lubricant, Specifically Designed for Use with Champion Reciprocating Machines. This American Made Partial Synthetic Based Oil Lubricant is designed to increase efficiency, reduce wear, and prevent carbon buildup. The Lubricant Is Rated for 2,000 hours of use.