20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack leds the adult aphid parasites chew

the adult aphid parasites chew a hole in the back of the mummy and emerge

which inhibits the future growth of fungi and bacteria

4 27 27 18 HGDRRDP65 Commercial Dirt Pot by RediRoot #65

Unlike our competitors

With an amino acid profile unique in the industry

20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack leds the adult aphid parasites chewImportant 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