Do permanent air filters work?

Do permanent air filters work?
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1 Answer

Answer :

I have them, but they came with the house. I wash them once a month with the power washer. I’ve had my house for 7 years and they are still in great shape. I think they were put in around 1999. I’m not sure how much filters cost, but I’ve never spent a penny on one in seven years.
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How many fuel filters are on a 1994 Honda Accord EX, 2-door?

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