20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack spl_ps Push the sewn-in button on

Push the sewn-in button on the underside of the cap’s brim and you’re good to glow

Easy to use touch screen designed for temperature and humidity control

plus instant snapshot feature

the units are small and compact

vigor and quality

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack spl_ps Push the sewn-in button onImportant 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,