20x25x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack beneficial microbes Coco Nutrition Component B contains

Coco Nutrition Component B contains natural chelates

4mm thick cold rolled steel with a black powder coated finish

Cfm/watt 23 [measured at full speed (750 rpm) @ 0

Additional Benefits:

How Is ECOWORKS EC Different from Other Neem Oil and Azadirachtin Products

20x25x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack beneficial microbes Coco Nutrition Component B containsImportant 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