20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Pest and Disease Control Biofuel™ SP can also be

Biofuel™ SP can also be applied as a foliar fertilizer at rates of 0

AC Adapter

Will Power is specially formulated to create compact

• On-screen tutorial messages for calibration

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Pest and Disease Control Biofuel™ SP can also beImportant 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,