This function is performed at specific time intervals. Oil & Filter Analysis can help detect excessive wear of oil-wetted engine components and provide early warning of an impending failure of specific parts.  Oil Sampling & Oil Filter Analysis can only be performed using the MORE Company Filter Analysis Tool Kit and Oil Sampling Kit from MORE Company.  There is no need for a spare oil filter.  With this kit, only the debris is removed and analyzed.  The final task is to clean the filter in accordance with the Pratt & Whitney Manual.