20x25x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack cloning-&-seed-starting Aurora Innovations has taken generations

Aurora Innovations has taken generations of gardening experience and distilled it into a unique

Utilizes new press-in fasteners for quick and easy assembly

Pure and simple

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and really any line

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack cloning-&-seed-starting Aurora Innovations has taken generationsImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x25x4 filter