16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 2 Pack LED 5ox to 1 gallon of

5ox to 1 gallon of water thereafter

Keep from freezing

The bottom portion can be removable for emptying and refilling

The grille is constructed of heavy-duty steel

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters 2 Pack LED 5ox to 1 gallon 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,