20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Led BUILT FOR PRODUCTION

BUILT FOR PRODUCTION

5" X 20'' CF-4520-CC Replacement Carbon Filter for the EX600-4000-HFT (Tall versions)

The potassium salts weaken the insect's waxy protective outer shell

Fixes Atmospheric Nitrogen into Plant Available Food

20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Led BUILT FOR PRODUCTIONImportant 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,