Fleetguard AF1968M Automotive Air Filter Engine, 10 19 32 in Outside Dia, 6 23 32 in Inside Dia VR8304M3509 Air Filter Type Automotive Air Filter Type Automotive Engine Outer Air Filter Air Filter Design Radial Element Only Automotive Filters No Description Special Features Radial Seal Outer Air Element with Fins Item Automotive Air Filter Includes 13 5 16 in Fins Filter Design Radial Seal Type Radial Seal Outer Features Engine Air Intake Filter Elements Protect Heavy Duty Equipment by Preventing Airborne Dirt and other Contaminants from Entering the Combustion Chamber Shape Round Use Location Engine Fit Type Vehicle Specific Compatible with Manufacturer Model Number RS4863 Media Material Cellulose 750 cfm (21 Also referred to as axial air filters These engine air filters insert into filter housings that accept a round shaped or oval shaped filter