20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filters 4 Pack Commercial Lighting KIND is ideal for Coco

KIND is ideal for Coco Coir based media

Light blocking mixing chamber sunshade for 3/4″ mixing chambers

and safety guidelines

plus instant snapshot feature

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filters 4 Pack Commercial Lighting KIND is ideal for CocoImportant 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,