20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 10 Air Filters 4 Pack MH High-volume 400 CFM fan operation

High-volume 400 CFM fan operation performs complete air change within 2-10 minutes in a typical room size of 10′ x 10′ x 8′ (800 cubic feet)

Top Quality Phosphors: Ensures stable and consistent light output

The Electropolished CenturionPro Mini Dry Tumbler is a superior product within the commercial weed trimmers market

92% efficiency

Size: 32" x 24"

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 10 Air Filters 4 Pack MH High-volume 400 CFM fan operationImportant 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,