20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 2 Pack BVV One of the most potent

One of the most potent liquid PK Boosts on the market

Not affected by freezing or other adverse environmental conditions

Built-in temperature sensor ensures fast

• New lower rate

Use it in containers with Ocean Forest or Happy Frog Potting Soil to improve drainage

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 2 Pack BVV One of the most potentImportant 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,