Air Bear 16x25x5 (4 7/8) Replacement 255649-105 MERV 8 Air Filters 4 Pack Amendment Boards should be wired in

Boards should be wired in series with the driver for maximum output

Provides an extended growing season

Immunity booster

consider ZeroTol 2

enhancing root structure

Air Bear 16x25x5 (4 7/8) Replacement 255649-105 MERV 8 Air Filters 4 Pack Amendment Boards should be wired inImportant 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,