16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 1 Pack AIR FILTER BOXES High aerodynamic efficiency

High aerodynamic efficiency

Odor Level: Odorless within minutes of use

keep DaPlugs moist

1 x PotPro™ | Drainage x T (unit)

for example butane

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters 1 Pack AIR FILTER BOXES High aerodynamic efficiencyImportant 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,