My furnace, located under the refrigerator, does not have a filter.
My wife breeds and shows dogs, and with that there is always a lot of hair flying around. I was concerned about hair being sucked into the furnace so I bought a piece of filter material and mounted on back of the louvered door in front of the furnace. When we clean/vacuum I will occasionally make sure to vacuum out between the louvers.
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Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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