Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack soil Patented double wall design for

Patented double wall design for cool operation

Made with food grade cottonseed and corn oils

Dipotassium Phosphate

it stimulates the production of phytoalexins (a plant's natural defense against microbial attacks)

Sensor precision: ±3% at 40% RH and 73˚F (23˚C)

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack soil Patented double wall design forImportant 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. We also carry 4 3 8 and 5 1 4 inch depth filters,