Both of my furnaces have these electrostatic air filters. Is it possible to buy a regular filter to work in there or would the whole housing have to be switched out as
Filtrete™ Home Filtration Products
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Air Filters | Filtrete
Does Furnace Filter Thickness Matter?Yes!
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Filtrete 14-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
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Home Furnace Air Filter – PUREFLOW AIR
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Filtrete™ Home Filtration Products
3M 2200 Series Filtrete 1" Filter, 4-pack | Costco
Premium 16X24X1 MERV 13 Air Filters for AC and Furnace.
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