20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack plant-care/pest-&-disease-control and others are actually made

and others are actually made from recycled products

FMWH7230L is used for (4) 4' bulbs (one on the FLT44240

gray (RAL 7040) Impeller blades Celstran Technofiber Brackets

this system also provides unparalleled processing capacity

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack plant-care/pest-&-disease-control and others are actually madeImportant 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,