16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack jg an efficiency rating of 14

an efficiency rating of 14 to 18 SEER (Season Energy Efficiency Ratio)

75" blade + 3

These units have proven themselves throughout Europe

In the face of a growing distaste for solvents and an increasing concern for patients with immune complications though

Armadillos

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack jg an efficiency rating of 14Important 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