20x25x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack Environmental Controllers Chafers (European

Chafers (European

portable and always available for essential and immediate measurements

6" x 20'' Standard Carbon Air Filter

a necessity for a plant to thrive and produce high quality crops

and elicit a greater flavor and nose

20x25x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack Environmental Controllers Chafers (EuropeanImportant 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