Twin Air 151122C Power Flow Air Filter Kit for Kawasaki KX250F KX450F feed mpn NX 10000K1 Product Details Tire Diameter Speed Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Twin Air 2 Stage Foam Air Filter Part Number 152212 Fitment Type Unit Sale Qty Each Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer Standard Piston Size: 79 Airbox kits include a complete airbox that increases the volume of the air intake and the filter can still be removed in a snap for cleaning