K&N RECHARGER KIT 99-5000 IS DESIGNED TO SERVICE YOUR K&N OILED COTTON AIR FILTER WHEN IT GETS DIRTY. THE KIT COMES WITH K&N POWER KLEEN AIR FILTER CLEANER AND K&N AIR FILTER OIL. THE 99-5000 RECHARGER KIT WILL RESTORE AIR FLOW EFFICIENCY AND WILL BRING YOUR AIR FILTER TO LIKE NEW CONDITION. K&N POWER KLEEN WORKS TO DISSOLVE THE DIRT BUILD UP AND OLD FILTER OIL, THEN IT CAN BE WASHED AWAY WITH WATER. K&N AIR FILTER OIL IS INCLUDED SO THAT YOU CAN RE-OIL YOUR AIR FILTER AFTER CLEANING. THIS RECHARGER KIT COMES WITH A 6.5 OUNCE AEROSOL CAN OF OIL AND A 12 OUNCE BOTTLE OF K&N POWER KLEEN AIR FILTER CLEANER