20x20x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack Ventilation This translates to healthier

This translates to healthier

you don't have to worry

but the mat will also protect these roots from drying out

• Quarantine pesticides

20x20x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack Ventilation This translates to healthierImportant 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