20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack cube The 5813 Multi-Pleat 11 is

The 5813 Multi-Pleat 11 is produced with a highly specialized

*Sturdy steel housing & aluminum hammertone reflective on all 4 sides

Never run out of oil again

making it the first fabric pot available that can hold open its shape

7-day minimum lead time prior to shipment

20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack cube The 5813 Multi-Pleat 11 isImportant 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 20x20x4 filter