20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Air Filters 1 Pack bio-organic fertilizer Important Note: Almost ALL furnace

Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air condition filter

For use on its own for Wet trimming

it is manufactured from durable UV protected HDPE plastic

• 40 Amp Resistive

Eliminates ''Hot spots" and ''shady edges''

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Air Filters 1 Pack bio-organic fertilizer Important Note: Almost ALL furnaceImportant 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 7 8 and 5 1 4 inch depth filters,