20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack spl_magfan At the heart of this

At the heart of this system is the PHB5040 Phantom Commercial DE Ballast with USB Interface

three-layer fabric that protects against light liquid splashes and sprays

Once hatched

efficient photosynthesis and rapid transportation of carbohydrates and starches throughout a plants vascular system

Diameter: 8

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack spl_magfan At the heart of thisImportant 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,