20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Chemicals with an average increase of

with an average increase of available light of a whopping 48%

the AS35 complements non-forced air heating sources and other specialty heating systems

Specification Name Detail SKU HI2002-01 pH Range pH: -2

| Airflow: 807 CFM | Noise: 39 dBA | Bearings: Dual Ball

and also preventing unwanted odors or cross-contamination

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Chemicals with an average increase ofImportant 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,