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The Original Air Filters, Inc.

Four Seasons Furnace Filters

Annual Furnace FiltersIf you are interested in placing a large order for this product, please click here to request a quote.

Quickly Convert To 4-Inch Pleated Filter That Last Up To 1 Full Year*

The AFI™ Four Seasons™ Air Filter quickly and easily "converts" your return air vent from the use of a 1" filter to this new and innovative 4" design. Simply remove your existing filter and replace it with the Four Seasons™ pleated filter. No tools or modifications are needed and these filters are designed to last up to 12 Months.

*Depending on environmental conditions

Four Seasons™ Filter Media

Utilizing electrostatically charged, 100% synthetic media which our filters offers significantly higher particulate efficiency than regular poly/cotton media pleated filters, with little change in static pressure. MERV 8 filter media will not promote the growth of bacteria, mold, mildew, or fungi in normal operating environments, and has not been chemically treated. Four Seasons™ MERV 8 pleated filters are an ideal upgrade from standard disposable panel filters. These filters are designed to last up to 12 Months.

Download MERV Rating Chart

If you are interested in a larger pack size or have a question about this product, please click here to request a quote.

filter key

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