CLEANING SET FOR ALL BMC AIR FILTERS AND SIMILAR COTTON AIR FILTERS (E.G. BISCIONERACING, K&N, NOVITEC, GREEN ETC.) ALL REUSABLE / HIGH AIR FLOW AIR FILTERS HAVE TO CLEANED AND RE-OILED REGULARLY - ABOUT EVERY 40.000 TO 80.000 KM AFTER CLEANING WITH THE CLEANER FLUID, IT IS IMPORTANT THAT THE FILTER OIL IS USED SPARINGLY AND THE FILTER IS NOT SOAKED! EASY HANDLING THE SET CONSISTS OF: 250 ML REGENERATION FLUID (FILTER OIL) 500 ML CLEANER FLUID MANUAL