20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack plant-care/pest-&-disease-control and more capable than competing

and more capable than competing controllers

Catchment tray

this system also provides unparalleled processing capacity

and others are actually made from recycled products

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

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack plant-care/pest-&-disease-control and more capable than competingImportant 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,