I Bought a Bionaire humidifier from Sears, today. When setting up the unit I noticed the filter was grossly moldy and discolored. How could this happen to a brand new unit in the box? I don't think filters can grow this kind of mold in a dry box. I purchased a product that has obviously been used, returned to the store and placed back on the shelf! Next time (if ever) I buy something from SEARS the item will have to be removed from the box and inspected thoroughly. read full review »