• Clean the inside of the filter housing with a 10% solution of bleach and water with a clean sponge and let dry.
  
• This is also a good time to make sure that all of the drain tubes are clean and clear.
  
• Now is also a good time to clean the drip rod and make sure that the holes on the under side are clear.
  
• Also wipe out the fan area including the fan blades.