Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 2 Pack Grow Strong • PumpGuard should be used

• PumpGuard should be used annually or for heavier fish loads

amino acids

Airflow Rating 700 CFM

preserving beneficial microbes

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 14 Air Filters 2 Pack Grow Strong • PumpGuard should be usedImportant 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,