20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 12 Pleated Plus Carbon 4 Pack Controller Coming in at 2

Coming in at 2

Noise (dB) - =55dB

Bluelab® Guardian Monitor Connect™ Inline

Say goodbye to weeds—without poisoning your yard

Swap the standard trim drum for the 150-micron stainless steel mesh drum using our turn-loc system

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 12 Pleated Plus Carbon 4 Pack Controller Coming in at 2Important 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,