16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack aaron It is a fully customizable

It is a fully customizable modular designed system

Thanks to its dual tumblers and side-by-side design

Blended specifically to balance water-holding and air-filled capacity

Grow like a pro

and off you go

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack aaron It is a fully customizableImportant 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 16x20x4 filter